GM 8L45, 8L90 O-Ringed End Plug Kit
Sonnax introduces a new drop-in Zip Valve product: an O-ringed end plug kit (p/n 154740-17K). This easy-to-install kit puts an end to leaks, restores hydraulic integrity, and renews shift operation in GM 8L45 and 8L90 transmissions.
GM 6T40/45/50 Bearing Kits
Sonnax has released new GM bearing kits to eliminate bearing noise.
8L90 Friction Linings
New GM 8L90 friction linings from Tri Component.
