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8L90 Performance Transmission Rebuild Kit (Raybestos) & Billet Input Shaft

1/25/21: Currently on backorder - place your order now - it will be filled as soon as the part is available on a first-come, first-served basis. FREE UPS Domestic Ground Shipping


Billet Input Shaft is precision machined from 300M alloy steel & heat treated for additional strength & durability. In order to reduce breaking points, this shaft has an increased radius between the sealing rings. Complete with sealing rings installed.

Raybestos Clutch Pack Module - Contains upgraded friction components as well as unique blend of GPZ® High Energy fibers that are designed to withstand high stress, high temperatures and repeated cycling for dramatic improvement in transmission performance and durability. Includes (5) C3 clutches in the event that you have the larger clutch capacity drum. 

Raybestos Steel Pack Module - Steels are designed to deliver better shift performance and clutch durability, lower noise and shudder and longer clutch life after rebuild. Includes (5) C3 steels in the event that you have the larger clutch capacity drum.

Overhaul Kit

Hi-Per Blue® Piston for C1 (1-2-7-8-R). Manufactured with upgraded High Performance Blue AEM material for superior thermal and chemical resistance with better fit and performance.

GM Filter