Mr. Gasket Ultra-Seal Intake Manifold Gasket - 0.12 in Thick - 1.85 x 2.55 in Rectangular Port - Composite - Big Block Chevy 36004R Machined from 6061 Aluminum and

Machined from 6061 Aluminum and profiled for optimum strength

1200 / 4500 RPM

Viton is designed to meet the demands of a variety of harsh sealing environments

Butler Built Air Ducts are used by many top NASCAR competitors

Converts a bolt-on

Mr. Gasket Ultra-Seal Intake Manifold Gasket - 0.12 in Thick - 1.85 x 2.55 in Rectangular Port - Composite - Big Block Chevy 36004R Machined from 6061 Aluminum andMr. Gasket Ultra Seal Intake Gasket 5819 Rectangle Raised Port Port Dimensions W 1. 75 in. x H 2. 5 in. 1 8 in. Thick Nitrile Rubber and Fiber Will Not Crack Or Split Resists Wicking Withstands 600+ Temps Silicone Bead Around Port Creates Tight Leak proof Seal Applications include: Bel Air, Biscayne, Blazer, Blazer K5, Brookwood, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban, C1500 Pickup, C1500 Suburban, C20