TREMEC TKX 5-Speed Kit For 1955-1962 Corvette

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TREMEC TKX 5-Speed Kit for 1955-1962 Corvette

Tremec TKX PerfectFit™ Kit for C1 Corvette

When you convert to the Tremec TKX 5 Speed, you will experience:

  • Compact, rounded case
  • Capable of handling 600 lb•ft torque
  • Capable of 7,500 rpm shifts
  • 30-50% increase in fuel economy
  • Low RPM cruising
  • Reduced NVH (noise - vibration - harshness)
  • Interchangeable with mechanical or hydraulic clutch actuators by removing just a few bolts, no need to tear down the transmission
  • Designed for everyday street use - an ideal blend of brute strength and street manners


TKX Gear Ratios

Wide Ratio - 3.27, 1.98, 1.34, 1.00, 0.72
Close Ratio - 2.87, 1.89, 1.28, 1.00, 0.68 OR 0.81

Silver Sport Transmissions Overdrive Kit Overview

Driveshafts are no longer included in your order but may be purchased separately.

  • TREMEC TKX 5 Speed Overdrive
  • STX Shifters® - True offset for a factory-correct shifter position
  • Pilot Bearing - Super heavy-duty needle roller type with lube seal for long life
  • Installation Hardware - Every bolt you need is included and clearly labeled
  • Isolator Mount - Rubber for vibration isolation or optional  heavy-duty poly for track duty
  • Crossmember - CAD designed - high strength, easy bolt-in, no frame mods required
  • Speedometer Connection - Mechanical and electronic compatible
  • Reverse Lights Connector - Waterproof connector
  • Driveshaft & Slip Yoke - Lightweight, steel, custom driveshaft for superior strength. Dynamically balanced for smooth operation and premium solid u-joints come standard.
  • 5-Speed Shift Pattern Plate - Maintains original appearance
  • Detailed Installation Instructions
  • Market Leading Warranty
  • McLeod Clutch*
  • McLeod Flywheel*
  • Bellhousing* - Choose from titanium-aluminum OEM type or steel scatter shields that meet race safety requirements. These bellhousings are not compatible with C1 mechanical clutch linkage, and hydraulics only.
  • Hydraulic Clutch Actuator Kit* - Modern technology with less pedal effort
    • Master cylinder - high-quality
    • Heavy-Duty concentric slave cylinder - 1,000,000 cycle service life
    • Pre-engineered firewall mount for master cylinder - eliminates guess-work for easy installation
    • Remote reservoir with hose
    • Braided steel pressure hose
    • Pedal pushrod and all hardware
    • Detailed installation instructions
  • Shifter Handle* - C1 replica shifter handle (SST aluminum shifter handles and 5-speed shifter balls also available)
  • Shifter Boot* - C1 replica shifter boot
  • Fluid - Break-In Fluid, transmission fluid, and hydraulic clutch fluid available for purchase

*Required for Automatic to Manual Conversions

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TREMEC TKX 5-Speed Kit for 1955-1962 Corvette


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