Bolt on 4 Port Plenum Weld Flange - 4 cyl

This 4 port flange is all ready profiled and drilled to work with any of our bolt on 4 cylinder plenums as well as fit our 4 port molded velocity stack plate.

Made from 3/8" (10mm) thick 6061 billet plate with four 1.8" (45.7mm) diameter holes on a 3.125" (79.4mm) center line.

Plenum, bolt kit and velocity stacks sold separately.