Schoenfeld Header - 3-1/2" Collector - Steel - Black Paint - Small Block Chevy Battery Terminal 1976-1991 Pontiac Sunbird

1976-1991 Pontiac Sunbird

Proform GM LS Valve Covers - Slant Edge - Cast Gray 141-263

1980-1996 Ford Bronco

The Street models share the same features as the small diameter models shown above

Sounds like dirt may have gotten in the relief valve

Schoenfeld Header - 3-1/2" Collector - Steel - Black Paint - Small Block Chevy Battery Terminal 1976-1991 Pontiac SunbirdProduct Description: Headers 1. 75 in Primary 3. 5 in Collector Steel Black Paint Small Block Chevy GM Compact Truck 1982 93 Pair Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers,