Sonnax 4T65E-LB1 Line Pressure Booster Kit 4T65E Alto the GM EPC was built

the GM EPC was built to outlast the transmissions they were designed for

Manufacturer Part Number: 5093166AA

2) Outer recess drives outer seal into the case

Band Strut

This wide tolerance is a problem when using standard replacement bushings

Sonnax 4T65E-LB1 Line Pressure Booster Kit 4T65E Alto the GM EPC was builtBrand: Sonnax Type: Valve Body Interchange Part Number: S84741GPK 1 Items Included: Pressure Regulator Spring, Large Ratio Boost Assembly Manufacturer Part Number: 4T65E LB1 Universal Fitment: Yes Vintage Part: No Performance Part: Yes 4T65 E Transmission Valve Body Line Pressure Booster Kit Part No. 4T65E LB1 Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together