1986- Up Small Block Chevy 350 Holeshot Vortec Intake Manifold Polished E42421P. This manifold has provision for external water bypass and features (4) corner water outlets, dual distributor hold-downs, includes a square bore carburetor adapter & gasket. Will work with a late model style water neck, alternator, HEI and air conditioning brackets.
Will also fit 1996 and later Vortec engines. Best for the Ultimate in Street High-Performance.
Designed for 1500 to 6500 RPM Street-Driven Power. Retains Good Throttle Response and Acceleration.