Tremec TKX PerfectFit™ for 1968-1972 X-Body

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

• Compact, rounded case - No 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
• 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