Best Floor Shifter For Th350: 10 Options Compared

Best Floor Shifter For Th350

A strong TH350 floor shifter provides a clearly defined way to select gears and matches your transmission, mounting plan and shift pattern. The WnSEu TH350 Transmission Shifter is the most specifically targeted option here: it is listed for GM Turbo 350 automatic transmissions and includes a 12-inch chrome stick with a gated lock-out safety feature. It mounts directly on the transmission, however, and the listing says floorboard cutting is necessary and professional installation is strongly recommended.

Other choices use 80675-style ratchet mechanisms, while the B&M Z-Gate offers a branded gated design. These products are not interchangeable in every build: some exclude overdrive transmissions or reverse-pattern manual valve bodies.

Compare each listing’s fitment and mounting details with your transmission and vehicle before ordering.

The WnSEu TH350 Transmission Shifter leads for a buyer prioritizing an explicitly TH350-specific listing: it fits GM Turbo 350 automatic transmissions and includes a 12-inch chrome arm and gated lock-out safety feature. Its direct transmission mount is a meaningful installation constraint, and the listing says floorboard cutting is necessary, with professional installation strongly recommended. If you prefer a ratchet-style floor shifter rather than a TH350-specific direct-mount unit, consider the B&M Z-Gate Automatic Shifter or one of the listed 80675-style alternatives.

Our Top Picks

WnSEu TH350 ShifterBest Overall

WnSEu TH350 Shifter

Specifically listed for GM Turbo 350 automatics, with a 12-inch chrome arm and gated lock-out; it mounts directly to the transmission and requires floorboard cutting.

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B&M Z-Gate ShifterBranded Gated Pick

B&M Z-Gate Shifter

The B&M 80681 is listed for TH350 and other three-speed transmissions; its Z-shaped gate is described as preventing over-shifting and missed gears.

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GXYWADY Three/Four-Speed ShifterDirect-Mount Alternative

GXYWADY Three/Four-Speed Shifter

Its listing includes GM TH350 compatibility, three- or four-speed operation, an 11-inch polished chrome stick and direct transmission mounting.

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Compare fitment, mounting, and shift operation

#ProductWeightHandle MaterialHandle CompatibilityBuy
17.5 lb——View on Amazon
2
B&M Z-Gate Shifter2. B&M Z-Gate ShifterBranded Gated Pick
7.9 lbAlloy SteelBrand Specific, Model SpecificView on Amazon
3
GXYWADY Three/Four-Speed Shifter3. GXYWADY Three/Four-Speed ShifterDirect-Mount Alternative
3300 gMetalApplication Specific, Model SpecificView on Amazon
4
Xxamz 80675 Ratchet Shifter4. Xxamz 80675 Ratchet ShifterThree-speed ratchet applications
10.1 lb——View on Amazon
5
WnSEu 80675 Shifter5. WnSEu 80675 ShifterConsole-trimmed ratchet conversions
10 lbBrassApplication SpecificView on Amazon
6
WSAGFB 80675 Shifter6. WSAGFB 80675 ShifterChrome-handle three-speed swaps
9.18 lb——View on Amazon
7
JURPLIX 80675 Shifter7. JURPLIX 80675 ShifterConsole-mounted three-speed builds
9.59 lb——View on Amazon
8
Achilioson 80675 Shifter8. Achilioson 80675 ShifterDual-mode TH350 ratchet shifting
—MetalBrand Specific, Model SpecificView on Amazon
9
YOMIRACING 80675 Shifter9. YOMIRACING 80675 ShifterLinear-and-ratchet TH350 use
—AluminumModel SpecificView on Amazon
10
Replacement 81052 Gated Shifter10. Replacement 81052 Gated ShifterMulti-speed gated transmission swaps
3.2 kgStainless SteelModel SpecificView on Amazon

Detailed Reviews: Best Floor Shifter For Th350

WnSEu TH350 Shifter

#1 · Best Overall

1. WnSEu TH350 Shifter

  • Weight: 7.5 lb

Best for: Direct-mount TH350 conversion.

Why it ranks #1: Specifically listed for GM Turbo 350 automatics, with a 12-inch chrome arm and gated lock-out; it mounts directly to the transmission and requires floorboard cutting.

A complete 12-inch chrome stick mounts directly on a GM Turbo 350 transmission, making this WnSEu option a floor-shift conversion for that specific automatic. Its gated lock-out safety feature adds a defined shift-control element, while the transmission-mounted arrangement changes the installation from a console-mounted setup.

The 12-inch chrome shifter arm gives the driver a substantial lever, and the gated lock-out safety feature supplies a more controlled shift path. Its direct-to-transmission mounting is the key installation consideration: the listing says the floorboard must be cut and strongly recommends professional installation. That makes it a focused choice for a TH350 project where the installer can accommodate transmission mounting, rather than a quick bolt-in console replacement. No installation instructions are included.

Pros
  • Fits GM Turbo 350 automatic transmissions
  • 12-inch chrome shifter arm
  • Gated lock-out safety feature
  • Mounts directly on the transmission
Cons
  • Floorboard cutting is necessary, and installation instructions are not included.

Skip it if you need a console-mounted shifter without floorboard cutting; this model mounts directly to the transmission and requires cutting the floorboard.

For a TH350 owner converting to a transmission-mounted floor shifter, the complete 12-inch stick and gated lock-out suit a focused build. Account for floorboard cutting and professional installation before choosing it.

Full product details
BrandWnSEu
Item Weight‎7.5 pounds
Item model number‎YX04465
Manufacturer‎MSCRP
Part Number‎YX04465
Model‎TH350 Transmission Shifter
Package Dimensions‎16.02 x 9.09 x 4.96 inches

Listed on Amazon as: TH350 Transmission Shifter for GM Turbo 350 Automatic Transmissions

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B&M Z-Gate Shifter

#2 · Branded Gated Pick

2. B&M Z-Gate Shifter

  • Weight: 7.9 lb
  • Handle Material: Alloy Steel
  • Handle Compatibility: Brand Specific, Model Specific

Best for: Gated-shift control for TH350.

Why it ranks #2: The B&M 80681 is listed for TH350 and other three-speed transmissions; its Z-shaped gate is described as preventing over-shifting and missed gears.

B&M's internal Z-shaped gate is described as preventing over-shifting and missed gears, giving this universal three-speed shifter a distinct gear-control approach for a TH350. The listing also highlights fewer moving parts than other automatic shifters in the B&M line and includes a reverse lockout feature.

The internal Z-gate defines the shift path, which the listing says eliminates the possibility of over-shifting and missing gears. Its universal three-speed designation covers GM TH350, TH400, TH250, and TH200, with Ford C4, C5, C6, and AOD and Chrysler A727, A904, and A518 also listed. The fewer-moving-parts claim may appeal to buyers prioritizing a simpler mechanism. A chrome shifter with a black base supplies the specified finish combination.

Pros
  • Internal Z-shaped gate
  • Listing says the gate prevents over-shifting and missed gears
  • Reverse lockout feature
  • Three-speed fit includes GM TH350
Cons
  • The stated configuration is universal three-speed, not a four-speed shifter.

Skip it if you need a four-speed gate; replacement for B&M 81052 lists modular gate plates for compatible two-, three-, and four-speed transmissions.

This fits a TH350 buyer who values a gated three-speed shift path and the listed reverse lockout. Its Z-gate and finish are specific selling points, but the universal three-speed configuration is the relevant boundary for other transmission needs.

Full product details
BrandSouthwest Speed
ColorBlack
Handle CompatibilityBrand Specific, Model Specific
Handle MaterialAlloy Steel
Included ComponentsScrew
Item Weight7.9 pounds
ManufacturerHOLLY PERFORMANCE PRODUCTS
Part NumberB&M-80681
MaterialAlloy Steel, Plastic
Model NumberB&M-80681
StyleCustomized
Style NameCustomized
Additional InformationImportant Information Proposition 65 Warning for California Consumers WARNING: Cancer – www.P65Warnings.ca.gov

Listed on Amazon as: B&M Z-GATE AUTOMATIC SHIFTER,UNIVERSAL 3 SPEED,CHROME WITH BLACK BASE,COMPATIBLE WITH GM TH400,TH350,250 & 200 AUTO TRANSMISSIONS,FORD,LINCOLN & MECURY C4,C5,C6 & AOD AUTO TRANSMISSIONS

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GXYWADY Three/Four-Speed Shifter

#3 · Direct-Mount Alternative

3. GXYWADY Three/Four-Speed Shifter

  • Weight: 3300 g
  • Handle Material: Metal
  • Handle Compatibility: Application Specific, Model Specific

Best for: Column-to-floor shift conversions.

Why it ranks #3: Its listing includes GM TH350 compatibility, three- or four-speed operation, an 11-inch polished chrome stick and direct transmission mounting.

A direct-to-transmission mounting arrangement lets this GXYWADY kit convert a conventional column-shift feature to a floor shift, with TH350 among its listed applications. Its 11-inch polished chrome-plated stick and metal construction give buyers concrete details about the lever and material.

For a TH350 conversion, the direct transmission mounting ties the shifter to the listed installation approach rather than a console mount. The kit is described as converting a conventional column shift to a floor shift, while the 11-inch polished chrome-plated stick specifies the lever length and finish. Its compatibility list includes GM TH350 and TH400, GM 700R4, and Ford C4/C6, with three- or four-speed use stated. The supplied facts do not specify a floorboard-cutting requirement.

Pros
  • Converts conventional column shift to floor shift
  • Mounts directly onto the transmission
  • 11-inch polished chrome-plated stick
  • Lists GM TH350, TH400, and 700R4 compatibility
Cons
  • The listing does not provide installation instructions or a stated floorboard-cutting requirement.

Skip it if you want a 12-inch chrome arm and an explicit gated lock-out feature; WnSEu TH350 Transmission Shifter lists both for GM Turbo 350.

This is for a TH350 owner converting from column shift to floor shift who prefers direct transmission mounting and an 11-inch chrome stick. Review the installation needs for the specific vehicle, since the listing does not detail floorboard work.

Full product details
BrandGXYWADY
ColorPolished Chrome
Handle CompatibilityApplication Specific, Model Specific
Handle MaterialMetal
Item Dimensions L x W11"L x 11"W
Item Weight3300 g
ManufacturerGXYWADY
Part NumberDY-9882393-771136-GX
MaterialMetal
Model NumberGXYWF8-030448
Dimensions11"L x 11"W
Stylefashion
Style Namefashion
Additional InformationImportant Information Bulb Voltage 586 volts

Listed on Amazon as: GXYWADY Three and Four Speed Floor Shifter Automatic

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Xxamz 80675 Ratchet Shifter

#4

4. Xxamz 80675 Ratchet Shifter

  • Weight: 10.1 lb

Best for: Three-speed ratchet applications.

Why it ranks #4: The three-speed ratchet design is listed for TH350, TH400, TH250 and TH200 applications, with positive detent control for defined gear selection.

A ratchet-style mechanism with positive detent control gives this 80675 shifter a defined gear-selection approach for three-speed automatics, including the GM TH350. Its listed compatibility also spans several Ford, Lincoln, Mercury, and Chrysler transmissions, making it relevant to multi-make classic-car and performance builds.

The three-speed specification and ratchet-style selection support deliberate gear changes in the applications named by the listing. Positive detent control adds defined positions, while TH350, TH400, TH250, and TH200 compatibility covers multiple GM three-speed options. Ford C4 and C6 and 1966-and-later Chrysler A727 and A904 applications are also listed. That broad fit range can help a buyer comparing swaps, but the stated design is for three-speed automatics rather than a four-speed setup.

Pros
  • Three-speed automatic shifter assembly
  • Ratchet-style gear selection
  • Positive detent control
  • Listed fit for GM TH350, TH400, TH250, and TH200
Cons
  • The listed configuration is for three-speed automatics, not a four-speed setup.

Skip it if you need a shifter for a four-speed automatic; replacement for B&M 81052 lists modular gates for compatible four-speed applications.

Choose this for a three-speed TH350 build where ratchet selection and positive detents suit the shifting approach. Its broad listed transmission range is useful, but buyers with four-speed automatics should look for a configuration expressly supporting them.

Full product details
BrandXxamz
Item Weight‎10.1 pounds
Item model number‎Xx-PDZ09
Manufacturer‎Xxamz
Part Number‎80675
Model‎Xx-PDZ09
Package Dimensions‎16.5 x 13 x 5.1 inches

Listed on Amazon as: 80675 Automatic Transmission Shifter, 3-Speed Ratchet Shifter

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WnSEu 80675 Shifter

#5

5. WnSEu 80675 Shifter

  • Weight: 10 lb
  • Handle Material: Brass
  • Handle Compatibility: Application Specific

Best for: Console-trimmed ratchet conversions.

Why it ranks #5: This 80675-style unit lists TH350 compatibility and ratchet action, plus a backup light switch; it excludes TH700R4, TH2004R and AOD.

Ratchet action provides positive shifts on this WnSEu 80675, while the listing says the console can be trimmed for a custom fit. Its stated compatibility includes the GM TH350 and several other three-speed automatics, making it a potential choice for a tailored console installation.

The ratchet-action mechanism is described as ensuring positive shifts, giving the driver a defined shifting method for a compatible three-speed automatic. TH350, TH400, TH250, and TH200 are listed, along with Ford C4/C6 and Chrysler A727/A904 applications. The ability to trim the console allows custom fitting, but it also means the installation may require console modification. The listing excludes TH700R4, TH2004R, and AOD, and says it cannot be used with a reverse-pattern manual valve body.

Pros
  • Ratchet action for positive shifts
  • Compatible with GM TH350, TH400, TH250, and TH200
  • Console can be trimmed for a custom fit
  • Features a backup light switch
Cons
  • Console trimming may be needed to achieve a custom fit.

Skip it if you need an unmodified console installation or have a TH700R4, TH2004R, AOD, or reverse-pattern manual valve body; those applications are excluded or require trimming.

A TH350 owner comfortable trimming a console can consider this ratchet shifter for its stated positive-shift action and backup light switch. Its listed transmission exclusions and custom-fit installation make application checks essential.

Full product details
BrandWnSEu
Handle CompatibilityApplication Specific
Handle MaterialBrass
Item Weight10 pounds
ManufacturerMSCRP
Part NumberYX06158
Manufacturer Warranty Description1 year
Model NumberYX06158

Listed on Amazon as: 80675 3-Speed Automatic Shifter for GM TH400,350,250,200 Automatic

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WSAGFB 80675 Shifter

#6

6. WSAGFB 80675 Shifter

  • Weight: 9.18 lb

Best for: Chrome-handle three-speed swaps.

Why it ranks #6: It fits GM TH350 and other listed three-speed automatics, uses an aluminum, steel and plastic base, and excludes TH700R4 and TH2004R.

A polished chrome handle tops this 80675 three-speed floor shifter, pairing a retro appearance with listed fit for GM TH350 and other named automatic transmissions. Its aluminum, steel, and durable-plastic-base construction is specified alongside an anti-rust and wear-resistant description for the shifter assembly.

The stated TH350 compatibility makes this a candidate for a GM three-speed floor-shift conversion, with TH400, TH250, and TH200 also listed. Ford C4/C6 and Chrysler A727/A904 applications widen the stated range. The polished chrome handle brings the listed retro styling, while the aluminum, steel, and plastic base are described as anti-rust and wear-resistant. The listing excludes TH700R4, TH2004R, and Ford AOD, and rules out reverse-pattern manual valve bodies.

Pros
  • Fits GM TH350, TH400, TH250, and TH200
  • Polished chrome handle
  • Aluminum, steel, and durable plastic base
  • Construction described as anti-rust and wear-resistant
Cons
  • It is not compatible with TH700R4, TH2004R, or Ford AOD.

Skip it if you run TH700R4, TH2004R, Ford AOD, or a reverse-pattern manual valve body; this shifter's listing excludes those configurations.

This suits a TH350 driver who wants a chrome-handle floor shifter with listed multi-make three-speed fit. Its material description and styling may suit a retro build, provided the transmission and valve-body configuration meet the stated limits.

Full product details
BrandWSAGFB
Item Weight‎9.18 pounds
Item model number‎XQQ026
Manufacturer‎WSAGFB
Part Number‎XQQ026
Model‎80675 Automatic Shifter Assembly
Package Dimensions‎15.35 x 10.43 x 6.69 inches

Listed on Amazon as: 80675 Automatic 3-Speed Floor Transmission Shifter

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JURPLIX 80675 Shifter

#7

7. JURPLIX 80675 Shifter

  • Weight: 9.59 lb

Best for: Console-mounted three-speed builds.

Why it ranks #7: The listing includes TH350 fitment and a universal console-mount design, but it excludes TH700R4, TH2004R and AOD and disallows reverse-pattern manual valve bodies.

A universal console-mount shift lever gives this 80675 a different installation approach from transmission-mounted shifters, while its listed TH350 fit targets common three-speed automatic builds. The product also names aluminum, steel, and a plastic base as its materials, with compatibility spanning several Ford and Chrysler applications.

For a TH350 owner planning a console installation, the universal console-mount description makes mounting style an important part of the decision. The listed fit also includes GM TH400, TH250, and TH200, plus Ford-family C4 and C6 and 1966-and-later Chrysler A727 and A904 transmissions. Its aluminum, steel, and plastic-base construction identifies the supplied materials. However, the listing explicitly excludes TH700R4, TH2004R, and AOD, and bars use with a reverse-pattern manual valve body.

Pros
  • Universal console-mount shift lever
  • Compatible with GM TH350 automatic transmissions
  • Aluminum, steel, and plastic-base construction
  • Also lists Ford C4/C6 and Chrysler A727/A904 fit
Cons
  • It does not fit TH700R4, TH2004R, or AOD transmissions.

Skip it if you have a TH700R4, TH2004R, or AOD, or use a reverse-pattern manual valve body; this listing excludes those applications.

This is for a TH350 owner who wants a console-mounted three-speed shifter and has a compatible standard-pattern application. Check the stated exclusions carefully; it is not suitable for the listed overdrive transmissions or reverse-pattern manual valve bodies.

Full product details
BrandJURPLIX
Item Weight‎9.59 pounds
Item model number‎Shifters-JL
Manufacturer‎JURPLIX
Part Number‎80675
Model‎Shifters
Package Dimensions‎16 x 12 x 4 inches

Listed on Amazon as: 80675 3-Speed Automatic Ratchet Shifter Universal Console Mount Shift Lever

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Achilioson 80675 Shifter

#8

8. Achilioson 80675 Shifter

  • Handle Material: Metal
  • Handle Compatibility: Brand Specific, Model Specific

Best for: Dual-mode TH350 ratchet shifting.

Why it ranks #8: This dual-mode ratchet shifter is listed for TH350, TH400, TH250 and TH200; the listing excludes TH700R4, TH2004R, AOD and reverse-pattern manual valve bodies.

A dual-mode ratchet floor-shifter format is the defining feature of this Achilioson 80675, with the title identifying compatibility with B&M StarShifter applications. Its listed fit includes GM TH350, TH400, TH250, and TH200, plus named Ford and Chrysler automatics.

For a TH350 application, this shifter combines the listed dual-mode ratchet format with compatibility across several GM three-speed automatics. The listing also names Ford and Lincoln/Mercury C4 and C6 and Chrysler Torqueflite A727 and A904 from 1966 onward. Its metal handle is specified, while its exclusions are particularly important: it does not work with TH700R4, TH2004R, or AOD and cannot be used with a reverse-mode manual valve body. Check the application before selecting it.

Pros
  • Dual-mode ratchet floor-shifter format
  • Compatible with GM TH350, TH400, TH250, and TH200
  • Metal handle
  • Lists Ford C4/C6 and Chrysler A727/A904 fit
Cons
  • Not compatible with TH700R4, TH2004R, AOD, or reverse-mode manual valve bodies.

Skip it if you have a TH700R4, TH2004R, AOD, or reverse-mode manual valve body; these are explicit exclusions for this shifter.

This suits a TH350 buyer seeking the listed dual-mode ratchet format and metal handle. Its multi-make fit is useful only within the stated applications, so verify the transmission and avoid the specifically excluded overdrive and valve-body setups.

Full product details
BrandAchilioson
ColorSilver
Handle CompatibilityBrand Specific, Model Specific
Handle MaterialMetal
Included ComponentsAutomatic Shifter
ManufacturerAchilioson
Part Number80675
Manufacturer Warranty Description2 year manufacturer
Model Number80675

Listed on Amazon as: 80675 Automatic Shifter Compatible with B&M StarShifter, Dual-Mode Ratchet Floor Shifter for GM TH350 TH400 TH200, for Ford C4 C6, for Chrysler A727 A904 Transmissions, Chrome

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YOMIRACING 80675 Shifter

#9

9. YOMIRACING 80675 Shifter

  • Handle Material: Aluminum
  • Handle Compatibility: Model Specific

Best for: Linear-and-ratchet TH350 use.

Why it ranks #9: Its listed compatibility includes TH350 and other three-speed automatics, with linear and ratchet functions described; the listing provides fewer specific installation details.

This YOMIRACING 80675 combines floor-shifter use with a ratchet-shifter function, and the listing says it can operate as a linear shifter as well. Its stated compatibility includes GM TH350, TH400, TH250, and 200 automatics, plus Ford-family C4 and C6 applications.

The ability to function as both a linear shifter and a ratchet shifter gives this model two stated shift modes for buyers choosing how to operate a compatible transmission. TH350, TH400, TH250, and 200 are listed for GM, with Ford, Lincoln, and Mercury C4/C6 also named. An aluminum handle is specified. The supplied information does not provide a broader application list or explain how mode switching is performed, so those details should not be assumed from the dual-mode description.

Pros
  • Functions as a floor shifter and ratchet shifter
  • Supports linear and ratchet shifting modes
  • Compatible with GM TH350, TH400, TH250, and 200
  • Aluminum handle
Cons
  • The listing does not explain how to switch between linear and ratchet modes.

Skip it if you need documented instructions for changing shift modes; this listing names linear and ratchet functions but does not explain the switching procedure.

This is for a TH350 owner who wants the listed choice between linear and ratchet operation, with an aluminum handle. The dual-mode description is useful, but buyers needing a documented switching procedure should account for that missing detail.

Full product details
BrandYOMIRACING
ColorSilver
Handle CompatibilityModel Specific
Handle MaterialAluminum
Included ComponentsAutomatic Shifter
ManufacturerYOMIRACING
Part NumberYM012201
Manufacturer Warranty Description1 year
Model NumberYM012201

Listed on Amazon as: 80675 Automatic Shifter for B&M StarShifter

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Replacement 81052 Gated Shifter

#10

10. Replacement 81052 Gated Shifter

  • Weight: 3.2 kg
  • Handle Material: Stainless Steel
  • Handle Compatibility: Model Specific

Best for: Multi-speed gated transmission swaps.

Why it ranks #10: The modular gated shifter lists TH350 compatibility and support for two-, three- and four-speed applications, but is specified for B&M 81052 applications.

Modular gate plates let this automatic gated shifter accommodate compatible two-, three-, and four-speed transmissions, a useful option when the application calls for more than one gate configuration. The listing identifies TH350 among its supported GM automatics and names B&M 81052 applications for its shifter compatibility.

The stated TH350 compatibility puts this shifter in scope for the roundup, while support for GM TH400, TH250, TH200, 700R4, and several 4L-series transmissions broadens its listed application range. Its modular design and optional gate plates accommodate compatible two-, three-, or four-speed automatics, so the gate can suit different transmission setups. A stainless-steel handle is specified. Verify the shifter model and transmission before ordering, since compatibility is application-specific.

Pros
  • Compatible with GM TH350 automatic transmissions
  • Modular gated design supports compatible two-, three-, and four-speed setups
  • Optional gate plates accommodate different listed speed configurations
  • Stainless-steel handle
Cons
  • Compatibility depends on the specific shifter model and transmission application.

Skip it if you need a shifter specifically identified as a 3-speed ratchet assembly; Xxamz 80675 names that configuration and lists TH350 compatibility.

This suits a buyer seeking a gated shifter with gate-plate options for a TH350 or another listed automatic. Confirm the transmission and shifter application together, especially when selecting a two-, three-, or four-speed configuration.

Full product details
Brandreplacement for
ColorPolished Black
Handle CompatibilityModel Specific
Handle MaterialStainless Steel
Included ComponentsAutomatic Gated Shifter
Item Weight3.2 kg
ManufacturerQQJE-US
Part NumberBM81052
Manufacturer Warranty Description1 YEAR
Model NumberBM81052

Listed on Amazon as: Automatic Gated Shifter Fits B&M 81052 Pro Stick 2 3&4-Speed Transmission

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Avoid shift-pattern and transmission mismatches

A shifter that physically fits a TH350 can still be incompatible with the transmission’s shift pattern or the intended operating setup. Several 80675-style listings explicitly say they cannot be used with a reverse-pattern manual valve body; the JURPLIX, WnSEu and WSAGFB descriptions also exclude particular overdrive units, including TH700R4 and TH2004R. Those exclusions matter because a broad fitment list is not a guarantee for every transmission variant.

The B&M Z-Gate listing names TH350 among its compatible applications, but its listed fitment should still be checked against the exact vehicle and valve-body arrangement. Before purchase, identify the transmission and valve-body shift pattern, then compare both with the specific product’s exclusions.

Do not assume that a three-speed label alone confirms the correct shift pattern or linkage arrangement.

Plan for the mount and floor opening

Mounting style can determine whether a listed TH350 shifter suits your vehicle without substantial interior changes. The WnSEu TH350 Shifter and GXYWADY Three/Four-Speed Shifter both describe direct transmission mounting, but the WnSEu listing specifically warns that cutting the floorboard is necessary and recommends professional installation. By contrast, the JURPLIX 80675 Shifter is described as a universal console-mount unit, and the WnSEu 80675 listing says the console can be trimmed for a custom fit.

These are different installation approaches, not interchangeable assurances about fit. Check available space around the transmission and console, the shifter’s mounting location, and the required floor opening before choosing.

The listings do not provide vehicle-specific clearance measurements or detailed installation instructions, so confirm those requirements for your build rather than relying on transmission compatibility alone.

How to Choose a TH350 Floor Shifter

TH350 fitment and exclusions

Look for explicit GM TH350 compatibility, then check the exclusions and transmission setup rather than relying only on a broad universal label. The WnSEu TH350 Shifter is specifically titled for Turbo 350 automatics, while the 80675-style listings include TH350 alongside TH400, TH250 and TH200. Several of those 80675 descriptions exclude TH700R4, TH2004R and AOD; some also prohibit use with a reverse-pattern manual valve body.

The B&M Z-Gate listing includes TH350 among its supported transmissions. A buyer seeking a narrowly specified TH350 unit may prefer the dedicated listing, while someone matching a common three-speed family may consider an 80675 or Z-Gate after verifying exclusions.

Shift mechanism and speed range

Choose the mechanism that matches how you want to select gears and the transmission’s intended setup. The WnSEu TH350 Shifter lists a gated lock-out safety feature; the B&M Z-Gate describes a gated Z-shaped system intended to prevent over-shifting. The Xxamz 80675 is described as a three-speed ratchet shifter with positive detent control, while the GXYWADY listing specifies three- or four-speed operation and an 11-inch stick.

The replacement 81052 shifter describes a modular gate supporting two, three and four speeds. A buyer who wants a specifically listed TH350 unit can start with the dedicated shifter; a buyer prioritizing ratchet selection or multiple speed configurations should assess those alternatives and confirm exact fitment.

Mounting and installation requirements

Check the mounting method and the amount of interior modification you can accommodate before selecting a shifter. The WnSEu TH350 Shifter mounts directly on the transmission, and its listing says floorboard cutting is necessary and professional installation is strongly recommended. The GXYWADY unit also describes direct transmission mounting, but lists an 11-inch polished chrome stick.

The JURPLIX 80675 is described as a universal console-mount shifter, while the WnSEu 80675 listing says its console can be trimmed for a custom fit. These descriptions represent different installation plans, not confirmed vehicle-specific clearances.

A buyer prepared for transmission mounting and floor modification may consider the direct-mount choices; someone working around a console should investigate the console-mount listings and verify dimensions.

Which TH350 floor shifter should you choose?

For the most explicitly TH350-focused choice, choose the WnSEu TH350 Shifter: it lists Turbo 350 fitment, a 12-inch chrome arm and gated lock-out, but requires floorboard cutting. If you want a branded gated unit, the B&M Z-Gate Shifter lists TH350 compatibility and describes its Z-shaped gate. For direct mounting with a listed 11-inch stick and three- or four-speed use, consider the GXYWADY Three/Four-Speed Shifter.

Buyers looking for ratchet operation can compare the Xxamz 80675 Ratchet Shifter or WnSEu 80675 Shifter, checking their stated exclusions. The other 80675 options also list TH350 fitment, but their mounting and shift-pattern details differ.

Confirm transmission variant, valve-body pattern and vehicle installation requirements before deciding.

Frequently Asked Questions

How can I confirm that a floor shifter’s linkage and cable will work with my TH350 installation?

Confirm that the listing explicitly names your TH350 variant and check its mounting method, linkage or cable requirements, and included components against your transmission and vehicle. The product titles alone do not establish every linkage detail. If those details are unclear, verify them with the seller or installer before ordering.

What clearance and floor modifications should I plan for before mounting a transmission shifter?

Check the shifter’s mounting location and the space available for its body, lever, and movement through the shift positions. The WnSEu TH350 listing specifies a direct transmission mount and says floorboard cutting is necessary, with professional installation strongly recommended. Do not assume other shifters require the same modification; confirm their installation requirements.

How do I determine whether my TH350 valve-body shift pattern is compatible with a ratchet shifter?

Identify your transmission’s valve-body shift pattern, then compare it with the shifter’s stated operating pattern and instructions. A TH350 fitment claim does not, by itself, confirm compatibility with every valve body. Check the specific listing and consult an installer if the pattern or adjustment requirements are not clearly stated.

What should I compare among the listed 80675-style shifters?

Compare the stated transmission fitment, mounting style, shift operation, and any listed exclusions. The 80675-style options differ in their descriptions, and not every title supplies the same installation or shift-pattern details. Confirm those points for the exact option you are considering rather than treating the shared 80675 designation as proof of identical compatibility.

When should I choose a direct-mount shifter instead of a ratchet-style floor shifter?

Choose based on the installation method and operation you need. The WnSEu TH350 listing is explicitly TH350-focused but requires direct mounting and floorboard cutting. Ratchet-style choices include the B&M Z-Gate and listed 80675 alternatives.

Check fitment, mounting requirements, and shift-pattern compatibility before deciding.

Final Words

For the clearest TH350-specific listing, the WnSEu shifter names Turbo 350 fitment and includes a 12-inch chrome arm and gated lock-out, but its direct mount requires floorboard cutting. Prefer a ratchet-style floor shifter? Compare the B&M Z-Gate and 80675 alternatives, paying attention to each listing’s fitment and exclusions.

Before purchase, confirm your transmission variant, valve-body pattern, mounting needs, and available floor clearance.

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