SuperMatic™ 8L90-E Eight-Speed Transmission Chevrolet Performance has adapted the production-based 8L90-E eight-speed automatic transmission for use with the LT1 and LT4 crate engines. A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overall ratio helps enhance cruising efficiency. Two versions are available: a slip-yoke design for use with the LT1 engine and a fixed-yoke design to be used with the LT4. Additional highlights: • Four gearsets for greater efficiency • Five clutches – two brake clutches and three rotating clutches • World-class upshift speeds • Friction-reducing features include synthetic fluid • Gear ratios: 1st: 4.56, 2nd: 2.97, 3rd: 2.08, 4th: 1.69, 5th: 1.27, 6th: 1.00, 7th: 0.85, 8th: 0.65, reverse: 3.82 • Controller and harness included • Torque converter included (engine specific) SuperMatic™ 8L90-E Transmission for LT1 crate engine (slip yoke) • Use with LT1 crate engines P/N 19328728 (wet sump) or P/N 19329997 (dry sump) • Includes torque converter, controller and harness • Must be used with compatible engine controller (P/N 19355167)
19356329, superseded to new part number 19367134, superseded to 19371500, superseded to 19419798, superseded to 19419798
This is an Oversized item and requires additional shipping costs.This is an Oversized item and requires additional shipping costs. |