Modified valve body for firmer shifts than production 4L85-E
Direct bolt-on for Gen I Small-Block and all Big-Blocks
Does not include torque converter
Includes additional clutch plates
Torque converter not included
Gear ratios: 1st: 2.48, 2nd: 1.48, 3rd: 1.00, 4th: 0.75- Tested up to 690 lb-ft of torque
NOTE: Use with electronic controller P/N 19332780 for carbureted and Ram Jet applications. Use with electronic controller P/N 19302410 with Chevrolet Performance LS fuel-injected applications.