Best Floor Shifter For Th350: Practical Features for Easier Everyday Use

A strong TH350 floor shifter delivers secure gear selection, clear detents, and a mounting setup that matches your transmission and interior; it suits builders replacing a column shifter, restoring a classic car, or seeking more direct control. The products here range from direct-mount 12-inch chrome-stick units to floor-mount Lokar designs using solid adjustable linkage. Several also support other three- or four-speed transmissions, while some specifically target GM Turbo 350 applications.

Safety features vary, including gated lockouts, positive safety locks, reverse lockouts, and ratchet action. Before choosing, verify whether your installation needs cable operation, linkage, console trimming, or floorboard cutting, because these details can matter as much as the shifter’s handle style or finish.

For a focused GM TH350 installation, the WnSEu, PSLER, or REVOTUNE 12-inch shifters offer direct compatibility and a long lever, while the Lokar GS350T and FMS6350FL emphasize floor mounting, gated control, or adjustable solid linkage. Choose the B&M Z-Gate or compatible 80675-style shifter when broader transmission coverage and positive shift control matter. Check the installation method carefully: some units mount directly to the transmission, one requires floor cutting, and others need linkage, cable conversion, or console trimming.

TH350 Shifters: A Comparison

Image	Product	Buy
Best Pick 1	TH350 Transmission Shifter for GM Turbo 350 Automatic Transmissions Best for: Direct TH350 Fitment Brand: WnSEu | Item Weight: ‎7.5 pounds	View on Amazon
Best Pick 2	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 Best for: Universal GM/Ford Brand: Southwest Speed | Color: Black	View on Amazon
Best Pick 3	GS350T Floor Mount Gate Shifter for Gm Th350 Transmission with 2 Bolt Spud No Lever and Best for: Gate Style Control Brand: Lokar Performance Products | Color: Multicolor	View on Amazon
Best Pick 4	Lokar FMS6350FL 6" Floor Mount Shifter for 350 Transmission Best for: Compact Floor Mount Brand: Lokar | Color: Multicolor	View on Amazon
Best Pick 5	GXYWADY Three and Four Speed Floor Shifter Automatic Replacement for C4 C6 Replacement for GM 700R4 TH350 TH400 Best for: Classic Chrome Look Brand: GXYWADY | Color: Polished Chrome	View on Amazon

How We Compared These Products

We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from WnSEu, Southwest Speed, Lokar Performance Products, Lokar, GXYWADY, YOMIRACING, PSLER, TJHSM, and REVOTUNE.

The shortlist includes products such as WnSEu TH350 Transmission Shifter for GM Turbo 350 Automatic Transmissions, Southwest Speed B&M Z-GATE AUTOMATIC SHIFTER, and Lokar Performance Products GS350T Floor Mount Gate Shifter for Gm Th350 Transmission with. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.

Detailed Reviews: Best Floor Shifter For Th350

1. TH350 Transmission Shifter for GM Turbo 350 Automatic Transmissions

Best for: GM TH350 Direct Mount.

This TH350 transmission shifter features a 12" chrome shifter arm and a gated lock-out safety feature, designed for GM Turbo 350 automatic transmissions. It mounts directly on the transmission, offering a straightforward installation path for enthusiasts.

The 12-inch chrome shifter arm provides a substantial reach for comfortable operation. Its integrated gated lock-out safety feature is crucial for preventing accidental gear shifts. This shifter is specifically designed to mount directly onto GM Turbo 350 automatic transmissions, though floorboard modification will be necessary.

Product Details

Pros

• Designed for GM Turbo 350 transmissions
• 12" chrome shifter arm
• Gated lock-out safety feature
• Direct transmission mount

Cons

• Floorboard cutting is necessary for installation.

Ideal for GM TH350 owners seeking a direct-mount shifter with a safety lock-out. Requires floorboard modification, making professional installation recommended for optimal results.

2. 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

Best for: Universal 3-Speed Automatic.

The B&M Z-Gate Automatic Shifter offers a universal 3-speed solution with a patented internal "Z" shaped gate system. This design minimizes moving parts, reducing the possibility of over-shifting and gear misses.

Featuring the fewest moving parts in the B&M automatic shifter line, its patented "Z" gate system prevents over-shifting and missed gears. This shifter is compatible with a wide range of transmissions, including GM TH400, TH350, 250, 200, and Ford C4, C5, C6, AOD, as well as Chrysler Torqueflite models.

Product Details

Pros

• Patented "Z" shaped gate system
• Fewer moving parts for reliability
• Universal 3-speed compatibility
• Chrome with black base finish

Cons

• Proposition 65 warning for California consumers.

A versatile choice for builders needing a reliable 3-speed automatic shifter across multiple GM and Ford platforms. Ensure compliance with California's Proposition 65 warning.

3. GS350T Floor Mount Gate Shifter for Gm Th350 Transmission with 2 Bolt Spud No Lever and

Best for: Lokar Floor Mount TH350.

The Lokar GS350T Floor Mount Gate Shifter for GM TH350 transmissions features an innovative lever design allowing for easy removal and 360-degree rotation. It offers a gated style with a side shift detent pattern.

This floor mount shifter provides a gated style with a side shift detent pattern, enabling extensive knob customization options. Its innovative lever design allows for quick removal and 360-degree rotation, enhancing adjustability for driver comfort and interior aesthetics. It can be converted to cable operation with an optional kit.

Product Details

Pros

• Floor mount design
• Gated style with side shift detent
• 360-degree lever rotation
• Easy lever removal

Cons

• Optional conversion kit required for cable operation.

Suitable for GM TH350 owners prioritizing customizable aesthetics and ergonomic lever positioning. Consider the optional cable conversion kit for enhanced functionality.

4. Lokar FMS6350FL 6″ Floor Mount Shifter for 350 Transmission

Best for: Lokar 6" Floor Mount.

The Lokar FMS6350FL is a 6-inch floor mount shifter for 350 transmissions, featuring a positive safety-lock-out mechanism. Its design prioritizes adjustability with 360-degree lever rotation for enhanced legroom.

This 6-inch floor mount shifter boasts a positive safety-lock-out for secure operation and 360-degree lever rotation, maximizing legroom. It includes solid adjustable linkage and offers out-from-under-the-dash and away-from-the-seat lever adjustments, providing significant customization for driver comfort and control.

Product Details

Pros

• Positive safety-lock-out
• 360-degree lever rotation
• Adjustable linkage
• Multiple lever adjustment points

Cons

• Proposition 65 warning for California consumers.

An excellent choice for drivers seeking precise control and adjustable ergonomics in their 350 transmission setup. Be aware of the Proposition 65 warning for California residents.

5. GXYWADY Three and Four Speed Floor Shifter Automatic Replacement for C4 C6 Replacement for GM 700R4 TH350 TH400

Best for: 3/4-Speed Automatic Floor.

This GXYWADY 3 or 4-speed floor shifter is an automatic replacement compatible with C4, C6, 700R4, TH350, and TH400 transmissions. It features an 11-inch polished chrome plated stick and converts column shift to floor shift.

Designed to convert conventional column shift features to a floor shift, this kit mounts directly onto the transmission. Its 11-inch polished chrome plated stick adds style, while the metal bar design ensures reliability. Made from quality materials, it's suitable for most passenger cars and light trucks.

Product Details

Pros

• Converts column to floor shift
• 11" polished chrome stick
• Compatible with multiple transmissions
• Durable metal construction

Cons

• Bulb voltage is listed as 586 volts, which is unusually high and may be a typo.

A functional and stylish option for upgrading older vehicles with a floor shifter, compatible with various automatic transmissions. Verify the listed bulb voltage before purchase.

6. 80675 Automatic Shifter for B&M StarShifter

Best for: B&M StarShifter Ratchet.

The YOMIRACING automatic floor shifter, compatible with the B&M StarShifter, functions as both a linear and ratchet shifter. It offers wide adaptability for GM and Ford automatic transmissions.

This professional automatic floor shifter incorporates a ratchet function for flexible switching between modes. It is widely compatible with GM TH400, TH350, TH250, and 200 transmissions, as well as Ford C4 and C6 transmissions. The aluminum handle material ensures durability and a premium feel.

Product Details

Pros

• Dual linear and ratchet modes
• Wide GM and Ford compatibility
• Professional automatic floor shifter
• Aluminum handle

Cons

• Manufacturer warranty is 1 year.

A versatile shifter for enthusiasts seeking both linear and ratchet shifting capabilities across various GM and Ford transmissions. The 1-year warranty is a consideration for long-term use.

7. 12″ Automatic Transmission Shifter for GM TH350 Turbo 350, for HRC12-940

Best for: PSLER 12" Chrome TH350.

This 12-inch automatic transmission shifter from PSLER is designed for GM TH350 Turbo 350 transmissions, featuring a billet aluminum knob polished to a chrome finish. Its extended length aims for a more comfortable operating experience.

The 12-inch shifter arm, paired with a billet aluminum knob finished in chrome, offers an ergonomic advantage for drivers. This longer travel provides a more natural and smooth shifting action, allowing for easier control of shifting force. The shifter's simple, elegant shape adds a unique style to the vehicle's interior.

Product Details

Pros

• 12" shifter arm length
• Billet aluminum chrome knob
• Ergonomic design
• Adds unique interior style

Cons

• Replacement part number is HRC12-940.

A stylish and ergonomic 12-inch shifter for GM TH350 owners looking to enhance driving comfort and interior aesthetics. Ensure compatibility with the HRC12-940 replacement part number.

8. 80675 3-Speed Automatic Shifter for GM TH400,350,250,200 Automatic

Best for: WnSEu 3-Speed Ratchet.

The WnSEu 80675 3-Speed Automatic Shifter features a ratchet action for positive shifts and is compatible with numerous popular 3-speed automatic transmissions. It includes a backup light switch and neutral safety features.

Designed for GM TH400, 350, 250, 200, Ford C4, C6, and Chrysler A727, A904 transmissions, this shifter ensures positive shifts via its ratchet action. It includes a backup light switch and neutral safety features for enhanced operation. The console can be trimmed for a custom fit.

Product Details

Pros

• Ratchet action for positive shifts
• Includes backup light switch
• Neutral safety features
• Compatible with many 3-speed automatics

Cons

• Not compatible with TH700R4, TH2004R, or AOD transmissions.

A reliable ratchet shifter for owners of GM, Ford, or Chrysler 3-speed automatic transmissions seeking positive engagement. Verify transmission compatibility to avoid issues.

9. 3 & 4 Speed Floor Shifter Automatic Replacement for TH350 TH400 700R4

Best for: TJHSM 3/4-Speed Floor.

This TJHSM 3 & 4 Speed Floor Shifter is an automatic replacement for TH350, TH400, and 700R4 transmissions, also fitting C-4 and C-6 models. It's designed for easy installation and adapts transmission ratios for different driving needs.

Made from superior materials with quality processing, this shifter facilitates changing rotational speed and torque from the engine to the wheels. It allows drivers to flexibly choose gears according to driving needs, providing a better driving experience. Installation is convenient and direct, without complicated operations.

Product Details

Pros

• Easy and direct installation
• Adapts transmission ratios
• Enhances driving experience
• Durable material construction

Cons

• Item model number is 'Does not apply'.

A straightforward and effective floor shifter for TH350, TH400, and 700R4 transmissions, offering improved driving dynamics. The unspecified model number may be a minor detail for some buyers.

10. TH350 Shifter Automatic Floor Shifter Compatible with GM Turbo 350 Automatic Transmissions Complete 12″ Stick OE: HRC12-940

Best for: REVOTUNE 12" TH350.

The REVOTUNE TH350 Shifter features a 12" shifter extension made from high-quality chrome, designed for GM Turbo 350 Automatic Transmissions. It includes a gated lock-out mechanism to prevent accidental gear shifts.

This transmission gear shifter replaces OE part number HRC12-940 and is compatible with GM Turbo 350 Automatic Transmissions. The 12-inch extension offers a sleek look and durable performance. Its gated lock-out mechanism enhances operational safety by preventing unintended gear changes.

Product Details

Pros

• 12" high-quality chrome extension
• Gated lock-out safety feature
• Replaces OE HRC12-940
• Durable and sleek design

Cons

• REVOTUNE's product line spans multiple automotive categories, not solely shifters.

An ideal choice for GM TH350 owners seeking a durable, stylish, and safe shifter with a 12-inch chrome extension. Consider the brand's broader product range when making your selection.

What Buyers Often Overlook

Fit, mounting, and transmission compatibility

The most important fit distinction is whether the shifter mounts directly to the transmission or mounts to the floor and connects through linkage or an optional cable conversion. The WnSEu TH350 unit and the GXYWADY kit state that they mount directly to the transmission, but the WnSEu listing warns that floorboard cutting is necessary and recommends professional installation. The Lokar GS350T is floor-mount only and can be converted to cable operation with an optional kit, while the FMS6350FL uses solid adjustable linkage.

Compatibility also varies: several listings cover GM TH350, TH400, 250, and 200 transmissions, and some extend to Ford or Chrysler applications. The WnSEu 80675 listing specifically excludes TH700R4, TH2004R, and AOD transmissions, so broader wording elsewhere should not replace checking the exact transmission and connection method.

The Key Product Trade-Off

Lever design, gates, and everyday shift control

A longer lever can make operation easier to reach, but the supplied products show different control priorities rather than one universal best design. The 12-inch WnSEu, PSLER, and REVOTUNE units emphasize extended reach; PSLER also lists a billet aluminum knob and chrome finish. Gated designs add a defined shift path: the B&M Z-Gate uses a patented internal Z-shaped gate intended to reduce over-shifting and missed gears, while the Lokar GS350T provides a side-shift detent pattern and a removable, rotatable lever.

The FMS6350FL adds a positive safety lockout and 360-degree lever rotation for added legroom. The 80675-style WnSEu shifter uses ratchet action and includes a backup-light switch, cable, and T-handle.

These features trade simplicity, reach, and installation requirements against more deliberate gear selection.

Best Floor Shifter For Th350: Buyer's Guide

Fit, Dimensions, and Compatibility

Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.

Capacity, Output, and Operating Format

Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.

Materials, Construction, and Care

Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.

Included Components and Setup Needs

Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.

Which Should You Choose?

Choose a direct-mount 12-inch unit if you want a long handle and your TH350 installation can accommodate floor modification; the WnSEu and REVOTUNE listings explicitly include gated lockout features, while PSLER lists installation hardware. Choose Lokar GS350T for a floor-mount gated design with optional cable conversion, or FMS6350FL when solid adjustable linkage, safety lockout, and lever rotation are priorities. Select the B&M Z-Gate when its universal three-speed coverage and internal gate suit your build.

The WnSEu 80675-style option fits several GM, Ford, and Chrysler applications and includes a cable, T-handle, ratchet action, and backup-light switch. For mixed TH350/TH400/700R4 listings, verify the exact connection and transmission fit before ordering.

Quick Buying Checklist

• Confirm the complete dimensions against the available space.
• Verify model, accessory, connection, and appliance compatibility.
• Match capacity or output to the expected amount of use.
• Compare materials and care instructions with the maintenance routine.
• Check the included components before planning setup or first use.
• Confirm listed power, water, storage, or installation requirements where applicable.

Frequently Asked Questions

What is the primary function of a floor shifter for a TH350 transmission?

A floor shifter provides a more direct and often more precise way to select gears compared to a steering column shifter. It typically offers a positive gate action, ensuring you select the intended gear and can prevent accidental shifts, enhancing driver control and a sportier feel.

Are these shifters compatible with other GM transmissions besides the TH350?

Some shifters are specifically designed for the TH350, while others offer broader compatibility. Many models list compatibility with other GM transmissions like the TH400, 250, 200, and even the 700R4, as well as certain Ford transmissions, so always check the product details.

What are the advantages of a floor shifter over a column shifter?

Floor shifters generally offer a more engaging driving experience with a mechanical feel and positive gear engagement. They can also improve interior aesthetics by removing the column shifter and provide a more secure gear selection mechanism, reducing the chance of accidental shifts.

Do I need any special tools or modifications for installation?

Installation typically involves mounting the shifter to the transmission tunnel and connecting it to the transmission linkage. While some kits are comprehensive, you might need basic hand tools, a drill for mounting holes, and potentially some custom linkage adjustments depending on your vehicle.

What is the difference between a gate shifter and a straight-line shifter?

A gate shifter uses a patterned slot (gate) to guide the shifter lever, ensuring positive engagement in each gear position. A straight-line shifter moves linearly. Gate shifters are often preferred for their tactile feedback and reduced risk of missing a gear.

Final Words

Selecting the best floor shifter for your TH350 depends on your priorities, whether it’s direct fitment, universal application, or a specific aesthetic. For a straightforward TH350 upgrade, models designed for it are ideal. If you need broader compatibility or a distinct look, consider universal options.

Ensure the chosen shifter offers a positive gate action for reliable gear selection.