Fel-Pro Conversion Bottom End Engine Gasket Set - Bottom End - GM LS-Series Headset Racing Radios & Components Shift Improver Kit for 4R70W

Shift Improver Kit for 4R70W Automatic Transmission

Reduces threads to 13/16" applications

C35 1978-1975

nitrous percentage or boost (Requires Davis Technologies Holley Module)

Smallest Block Heights

Fel-Pro Conversion Bottom End Engine Gasket Set - Bottom End - GM LS-Series Headset Racing Radios & Components Shift Improver Kit for 4R70WProduct Description: Engine Gasket Set Conversion Bottom End GM LS Series Fel Pro is the leading brand of replacement and performance automotive gaskets and sealing products. Fel Pro is recognized as the industry leader for premium replacement gaskets and seals for cars, SUVs, and light and medium duty trucks. They manufacture high quality solutions for everything from specific system repairs to complete engine overhauls. Fel Pro also offers specialty