Mr. Gasket Performance Header Gasket - 2.150 in Round Port - Composite - Big Block Chevy - Pair 4920906 & 4 pulse per revolution

& 4 pulse per revolution ignition RPM signals (2

UMI Performance

Ford / Mercury 4-Cylinder

Check out all our products from Five Star Race Car Bodies including Dirt Late Model Door Panels

Mr. Gasket Performance Header Gasket - 2.150 in Round Port - Composite - Big Block Chevy - Pair 4920906 & 4 pulse per revolutionMr. Gasket Exhaust Gasket Set 152A Round Port Large Race 2. 15 in. Port Diameter Exhaust Gasket Set 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 Pickup, C20 Suburban, C25 Pickup, C25 Suburban, C25 C2500 Pickup, C25 C2500 Suburban, C2500 Pickup Vehicle Applications: 1966 1976 Chevrolet Caprice 1989 1990