Except for their gear ratios, American Powertrain Tremec T-56 Magnum manual transmissions are truly brand new from the ground up. They can withstand up to 700 ft.-lbs. of torque, with gears featuring substantially increased face widths and…

…

Replacement 5-Speed Overdrive Transmission Able To Withstand The Torque From High-Performance Engines Gear Ratios: First Gear 2.87, Second Gear 1.89, Third Gear 1.28, Fourth Gear 1., Fifth Gear .64 Capable Of Handling Up To 600…

The Most Complete 6-speed Conversion Kit In The Industry 700 Ft./Lb. Torque Rating! Improves Gas Mileage Reduces Cruising RPM Up To 36% Ideal For Street Cruising Performance Kit Includes: Brand-new Tremec T56 Magnum 6-speed Overdrive…

The Most Complete 5-speed Conversion Kit In The Industry! Don't Be Fooled By Other Bargain Kits Out There! Compare Carefully! Improves Gas Mileage Reduces Cruising RPM Up To 30% Two Shifter Locations For More Flexibility Rated To Handle…

Restoration Correct Saves Money By Purchasing A Kit! For Small And Big Block V8 Engines Big Block Engines 1966-1972 Small Block Engines 1969-1672 Bellhousing Kit For 11" Clutch And Flywheel Aluminum Bellhousing Bellhousing Has Correct GM…