1968-74 A-body Chevelle, El Camino TKX 5-speed kit

SKU: PFGM-20011C Category:

ProFit TKX Installation Kit for 1968-72 Gen 2 Chevrolet A-body (Chevelle, El Camino) Best Engineered and best selling A-body 5-speed kit on the market.
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 68-72 Chevelle GM A-body for factory 4-speed cars.

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

This kit uses your stock 4-speed bellhousing.
Note: 26-spline clutch plate required to match the splines for the TKX. You can reuse you stock flywheel and pressure plate. Or call us to help you select a complete clutch package. Automatic to Manual conversions please call us for a quote or send a quote request. This way we can custom build your kit.

Kit includes:

New Tremec TKX 5-speed with 600 ft/lbs of torque capacity. No cutting your tunnel!
Revolution Offset 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
Hardware, Instructions, Warranty
Transmission sold separately
NOTE: White Lightning shifter upgrade available.

Kit compatible with OE cross member. New X-factor cross member available option for hard tops only. 

Weight: 28.0000 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