Schoenfeld Street Stock Headers - 1-3/4 to 1-7/8" Primary - 3-1/2" Collector - Steel - Black Paint - Stock Clip - GM LS-Series YA0639 Hard Anodized Aluminum Coating Penetrates

Hard Anodized Aluminum Coating Penetrates Aluminum For Wear and Corrosion Resistance

2007-2008 GMC Sierra 3500 HD

#5418 & #5419 accept Oil Fill Tube and Breather #4803

Straight through design ensures unrestricted exhaust flow and reduces back pressure

Schoenfeld Street Stock Headers - 1-3/4 to 1-7/8" Primary - 3-1/2" Collector - Steel - Black Paint - Stock Clip - GM LS-Series YA0639 Hard Anodized Aluminum Coating PenetratesProduct Description: Headers Street Stock 1. 75 to 1. 875 in Primary 3. 5 in Collector Steel Black Paint Stock Clip GM LS Series 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,