June 06, 2018
All Over the Map: Attacking 4L60/E Burnt 3-4 Clutches with Confidence
Package Quantity: 10View Instructions Find a Distributor
Sonnax 77763-01 boost springs offer a low cost, direct replacement alternative to the OE springs in GM 4L60, 4L60-E, 4L65-E and 4L70-E units. Engineered for the application, the 77763-01 boost springs are precision manufactured from high quality spring materials.