Tremec TKX PerfectFit™ for 1962-1964 X-Body

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

• Compact, rounded case - For reduced cutting
• 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
• GM X-Body Tunnel Modification Kit
• Crossmember 
• 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.
• Detailed Installation Instructions - including free lifetime tech support
• Market Leading Warranty

Auto to Manual Conversions and Optional Parts

• McLeod Flywheel*
• McLeod Clutch* - High performance, long life packages with easy pedal effort tailored to your needs
• Bellhousing* - Choose from titanium-aluminum OEM type or steel scatter shields that meet race safety requirements.
• Pedals* - Replica clutch and brake pedals, including new pedal pads
• 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 Hump* 
• Shifter Boot and Trim Ring* 
• Shifter Handle* - A variety of shifter sticks from classic to modern to choose from.
• Shifter Knob* - Available in white or black for that classic look. Engraved with a 5-speed shift pattern.
• Fluid - Break-In Fluid, transmission fluid, and hydraulic clutch fluid available for purchase

*Required for Automatic to Manual Conversions,

Some parts may not be in the options, but your salesperson will go over them when they call.