Description
Rebuilt bypass valve assembly with dual port actuator, right hand assembly. Inner most port can be left vented and used as is.
A different actuator can be requested. Picture does not show the correct actuator. Includes O-ring. Made to fit Whipple Superchargers with the same outer diameter. Can be used in other applications.
1.5″ butterfly, 2.25″ diagonal bolt pattern, 1.55″ outer diameter.

.87L/.89L OA-2087/OA-2089 Drive Snout to Gear Hub
Bypass mounting bolts
B&M, Holley, Weiand Front Gear Cover G1- Polished
Holley, Weiand, B&M Supercharger gear case cover gasket
Bypass valve replacement orings- tube side CRUSHER 