Schoenfeld Conventional Crossover Headers - 1.625 to 1.75 in Primary - 3.5 in Collector - Black Paint - Small Block Chevy 135V - Pair HS11 Timing Cover 8638

Timing Cover 8638

4L60E or 4L70E installations with LS swaps

Throttle body gaskets can deteriorate and dry out over time and cause air or coolant leaks causing drive ability issues

1967-1987 Buick Riviera

Bosch Motorsport components are the product of choice for many of the world's top racing teams

Schoenfeld Conventional Crossover Headers - 1.625 to 1.75 in Primary - 3.5 in Collector - Black Paint - Small Block Chevy 135V - Pair HS11 Timing Cover 8638Conventional Crossover HeadersHeaders conform tightly to the cylinder head. Fits Bemco, Coleman, Hamke, Howe, Pre 1998 Lefthander and Port City. 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,