1964-67 A-body GM (Chevelle, El Camino) and BOP (GTO, LeMans, 442)TKX 5-speed kit

SKU: Early A-body TKX Category:

1964-67 Gen 1 GM A-body BOP (GTO, LeMans, 442) TREMEC TKX 5-speed kit. Modular crossmember optional. Kit compatible with OE crossmember


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If you don't know what you need, call our technical sales staff at 931-646-4836


American Powertrain Pro-Fit TKX kit for Gen 1 GM and BOP A-Body for factory 4-speed cars. This kit uses your stock 4-speed bell housing. 
Note: You need to will select a clutch plate to match the splines for the TREMEC. You can reuse you stock flywheel and pressure plate. Or call us to help you select a complete clutch package. For Automatic conversion to manual please give us a call so we can custom build your kit.

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 5th

NOTE: Early A-Bodies MAY require floor modifications.  

Kit includes:
NEW Tremec TKX 5-speed with streamlined case and 8000 rpm shift capability. 
AP Revolution Shifter Mechanism – Original 4-speed shift position
Seamless DOM Driveshaft Assembly – Race Balanced, Solid U-Joints
Driveshaft Slip Yoke – Cryogenically hardened steel
Transmission Mount – Polyurethane
Pilot Bearing – Stainless rollers, grease pre-pak
Reverse Light Harness – Weatherseal
Speedometer Conversion – Mechanical or Electronic
Shifter Knob
Console Shift Pattern Plate (Not used on B.O.P)
Hardware, Instructions, Warranty 

Note: Transmission is modified to fit. Kit compatible with OE cross member. New X-factor cross member available option for hard tops only. Tubular Steel Cross Member option required for convertibles.


Weight: 26.0000 lbs

Dimensions: W4.0000" x H15.0000" x L15.0000"

If you don't know what you need, call our technical sales staff at 931-646-4836