Supermatic 4L85-E Four Speed Automatic Transmission

Supermatic 4L85-E Four Speed Automatic Transmission. Newly designed electronically controlled transmission for use on our 572 CID performance engines. All new assembly with updated valve body for improved shifting. Direct bolt on for small block and big block applications. Includes a 2200 rpm torque converter. Gear ratio's are 1st: 2.48, 2nd:1.48, 3rd: 1.00, 4th: 0.75. A computer controller will be required."