• Transmission Assembly, LT1 8 speed, 8L90 19417579

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Item #: 19417579
Reg. Price: $6,389.27
Our Price: $5,894.10
Quantity:
 

Description 

 19417579 Transmission Assembly Kit-Auto LT1 8 Speed (8L90) W/ Controller And Harness 
Replaces 24284055, 19356329, 19367134, 19371500

• Use with LT1 crate engines P/N 19328728 (wet sump) orP/N 19329997 (dry sump)
• Includes torque converter, controller and harness
• Must be used with compatible engine controller (P/N 19355167)

 

 

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 Assembly, LT1 8 speed, 8L90 19417579

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