1992-2004 GMC Sonoma
1975-1989 Buick Skyhawk
2003-2015 GMC Sierra 2500 HD
1965-1966 Pontiac Star Chief
with advanced additives containing high levels of zinc and phosphorus to optimize protection in flat-tappet and roller engines
Hooker Super Competition Header Gasket - 1.340 in Square Port - Steel Core Laminate - Small Block Chevy - Pair Tape Measure 1992-2004 GMC SonomaHooker Headers Super Competition Header Gasket 10808HKR 0. 070 in. Thick Same As Port Tear Resistant Precisely Cut To Match Header Applications include: Bel Air, Biscayne, Blazer, Blazer K5, Bonneville, 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 Vehicle Applications: 1979 1995