Fits 1965-1990 Chevrolet 396-454 Big Block. Round Ports, 1.85 Inch x 1.90 Inch GM Cars/Trucks " Coupling hose allows for expansion

Coupling hose allows for expansion

Perfectly paired with a pulse manifold made from high-silicon ductile iron and designed to withstand extreme temperatures and vibration

Bolt-On Ease: Designed for a hassle-free bolt-on installation

New valves

These injectors are what you would want if you are planning to make 1200hp-3000hp

Fits 1965-1990 Chevrolet 396-454 Big Block. Round Ports, 1.85 Inch x 1.90 Inch GM Cars/Trucks " Coupling hose allows for expansionMr. Gasket Performance Header Gaskets are manufactured from a heavy duty high temperature material, . 062 inch thick, consisting of an acrylic binder system to resist high temperature. Provides excellent sealing and durability with maximum torque retention to eliminate gasket failure. While precision die cut for an excellent fit, it can be trimmed if necessary for modified port applications. For original equipment replacement, higher performance