Side Detent Cable Floor Shifter Kit w/ Lever for GM TH350/TH400
Side Detent Cable Floor Shifter Kit w/ Lever for GM TH350/TH400
Speedway Motors

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#9100725

Side Detent Cable Floor Shifter Kit w/ Lever for GM TH350/TH400

  • Cable-operated shifter works with all Turbo-Hydramatic TH200, 250, 350 and 400 transmissions
  • Durable steel construction built to take years of abuse
  • Robust reverse lockout and positive detents prevent inadvertent shifter movement during hard driving
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$473.99

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$482.91

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Product Summary

TH200, TH350, TH400, Round Shifter Knob Style, Silver

  • Cable-operated shifter works with all Turbo-Hydramatic TH200, 250, 350 and 400 transmissions
  • Durable steel construction built to take years of abuse
  • Robust reverse lockout and positive detents prevent inadvertent shifter movement during hard driving
  • Sifter arm has a 16" length and features a double bend
  • Aluminum shift knob with adapters

Comes as a Kit

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Key Specs

PositionFloor Shifter
Transmission TypeAutomatic
Shifter Mount StyleFloor Mount
Shifter StyleCable operated
Shift MechanismDetent
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Speedway Motors 9100725 Details

Shift Your Ride with Ease 

Rodders and muscle car fans have been utilizing GM’s famous Turbo-Hydramatic three-speed automatics in their builds for decades, and with good reason, they are simple transmissions that can take great amounts of power and are plentiful in salvage yards. The aftermarket offers all manner of rebuild and performance upgrades for these transmissions as well, making their use even more prolific. We have built this universal floor-mount shifter for these applications with all the features you would need to allow easy control of your GM three-speed automatic to get you on the road quickly and at a great value! 

Built to Take Every Shift 

Our new Side Detent Shifter works with all TH200, 250, 350, and 400 transmission models. The shifter assembly is made from steel to take years of abuse and features a robust reverse lockout system to prevent inadvertent shifter movement into reverse during spirited manual shift driving. Positive shift position detents provide feedback confirmation as to what gear position you are in while preventing you from over-running 2nd gear. We have included both a neutral safety switch and reverse light switch right on the shifter body that can be easily wired into stock wiring or any aftermarket wire harness solution. The shifter lever has been crafted with a 7/8-inch center to center spacing using 3/8-16 threaded holes to mount any two-bolt manual shift lever of your choice (shift lever and knob not included). The provided five-foot shifter cable allows multiple routing choices to clear exhaust and vehicle crossmembers, while the included cable mounting bracket supports both side and bottom mounting locations on your transmission. 

Simple Bolt-On Solution 

Our Side Detent Shifter is the perfect solution for your GM Turbo-Hydramatic-equipped project and mounts solidly to your transmission tunnel with the included hardware. Simply locate the shifter assembly, noting dash and seating constraints for your shift lever of choice, and drill four 5/16-inch holes to secure the shifter assembly in place. An additional 1-inch hole will need to be drilled for shifter cable pass through to route the shifter cable from the shifter to the transmission. The included vacuum-formed ABS plastic top cover provides a finished look to the shifter and is easily trimmed to match the contours of your transmission tunnel. A chrome-plated steel trim ring and a stitched black vinyl multi-panel shift boot finishes off the installation for a classic appearance. The top cover can even be fitted under your carpet if you choose so that only the trim ring and shift boot/lever are above the carpet for a near “factory” look. 

  • For GM - TurboHydra 200, 250, 350, & 400
  • Floor mount with single 1" hole for cable
  • Bolt-on lever stub with 7/8" center-to-center spacing and 3/8"-16 threads that accepts the 2-bolt manual lever of your choice (not included)
  • Positive detents ensure that you won't over-run 2nd gear
  • Reverse lockout detent
  • Integrated neutral safety & back-up light switches
  • Includes:
    • Shifter unit
    • Top cover
    • Black vinyl stiched boot
    • Chrome-plated steel base ring
      • 6.75" x 5.25" rectangular frame
      • Stainless steel mounting screws
    • Cable
    • Neutral switch
    • All related hardware
    • 16 inch double bend lever
    • 2-1/4 inch shift knob
      • Round Aluminum gear shift knob
      • 2-1/4” diameter
      • Chrome Finish
      • 1/2” - 13 Female thread w/adapters
  • Can be mounted under carpet to leave only the boot & lever exposed

 

 

Speedway Motors 9100725 Specifications

KEY SPECS
MFG. Part #9100725
BrandSpeedway Motors
PositionFloor Shifter
Transmission TypeAutomatic
Shifter Mount StyleFloor Mount
Shifter StyleCable operated
Shift MechanismDetent
Shifter Arm Length16"
Material TypeSteel
FinishNatural
GENERAL
Shifter Knob StyleRound
Shifter Knob ColorSilver
Number of BendsDouble Bend - Nostalgia
Neutral Safety Switch IncludedYes
Sold in QuantityKit
Cable EntryFront
Cable IncludedYes
Knob IncludedYes
Linkage IncludedYes
Reverse LockoutYes
Cable Length5"
Cover IncludedYes

Ratings & Reviews

4.7

3 Reviews

Overall Assessment

Customers appreciate the product for its high-quality appearance and practicality, particularly praising its transformative effect on a car's aesthetic. The product matches the features of a manual swap effectively, thus offering an affordable option for car upgrades. However, a concern was raised regarding the bolts provided with the lever that potentially limited its usability. Despite this, the overall perceived value leads customers to consider repurchasing. Compared to competitors, customers found our product top choice for price and quality.

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4.7

3 reviews

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5.0

2 years ago

John

Denver CO

Verified

Easy install

Would Recommend

Looks amazing in my car

5.0

3 years ago

Adam

Ontario Canada

What an amazing idea on a budget if you can't afford a manual swap looks just like a manual car now !!

Would Recommend

I would buy again

4.0

3 years ago

Jim

NB Canada

Verified

If bolts provided with lever had been right size i may of gave top scores.

Would Recommend

Showing 3 of 3 reviews

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