19371501 Transmission Kit-Auto Lt4 8Spd Trans Kit, Lt4 8 Speed (8L90)
Other products by GM
Item #: 19417580
Reg. Price: $6,389.27
Our Price: $5,894.10


19417580 Transmission Kit-Auto LT4 8 speed (8L90) W/ Controller And Harness
Replaces 19371501

SuperMatic™ 8L90-E Transmission for LT4 crate engine(slip yoke)
• Use with LT4 crate engines P/N 19332621 (wet sump) or P/N 19332702 (dry sump)
• Includes torque converter, controller and harness
• Must be used with compatible engine controller (P/N 19355174)


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)


Click here for instulation instructions and spec sheet




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Product Accessories for Transmission LT4 8 speed 8L90 19417580


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