Category: CHEVY SKU: 68-72 CHEVELLE 5 & 6-SPEED CONVERSIONS. MODERN DRIVELINE Offers five and six-speed conversions for. Small & Big Block & LS swapped Gen-1 Chevelles / El Caminos A-body applications. Our line of products offers simple ways to upgrade your 3 or 4-speed.

• Best GM manual 5 speed trans. The 60 degree v6s are the only ones that are weaker 2.8 3.4. 4.3s are the same as 5.7 transmissions. Forum software by XenForo.
• I have a 1959 Apache 1/2 ton stepside shortbed. It has been modified with front and rear system from NoLimit Engineering. I have a performance chevy 350 and need the best option for a 5 speed manual transmision. Currently stuck. Do not know which one to use and what is involved to inst.
• I have a 1973 Camaro Z28 with a 383 stroker and the original Muncie 4-speed manual. I sure would like a 5-speed for daily driving. Can I get some opinions about this? For those of you who suggest converting to a 5-speed, what transmission do you recommend?

Description

American Powertrain Pro-Fit TKK 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.

Best Gm Manual Transmission

Kit includes:

Best Gm 5 Speed Manual Transmission: Software Download

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.