Hitman BBC Products by Pro-Filer

Pro-Filer's HITMAN Spreadport Big Block Chevy product line is designed with powerful, out-of-the-box concepts. The Hitman series consists of all our  spread port BBC products which include intake manifolds, cylinder heads and cast valve covers.

For a combination that is unbeatable, pair the HITMAN Cylinder Head with a HITMAN Manifold and watch your competition be blown away!

Hitman BBC Intake Manifolds

The HITMAN BBC Intake Manifold Series is designed with the perfect runner to plenum volume to maximize the power and acceleration curves of your spreadport engine without costly hand porting.

The HITMAN Series features cast nitrous injection bosses (will need drilled and tapped), 4500 series carburetor flange.

Important -
  • For optimum performance, manifolds should be port matched to the heads you're bolting them to.

HITMAN BBC Cylinder Heads

The HITMAN BBC Cylinder Head Series is a powerful, out-of-the-box, spread port cylinder head product line.  Featuring efficient, high velocity, PRECISION As-Cast or CNC ports, the Hitman line can make some serious HP.

Available in various configurations of intake port sizes andchamber sizes the Pro-Filer HITMAN Series BBC heads have proven over and over again that performance and power are the heart and soul of our product.

    HITMAN Collection