Adjustable by-pass pressure using installed higher pressure relief spring (+20 psi M452 and +10 psi M462) or optional lower pressure relief spring
Allstar Adjustable Lower Ball Joints
Adapts perfectly to any radio interface cable
1967-1971 Plymouth Belvedere
Schoenfeld IMCA Headers - 1-5/8" Diameter - Standard SB Chevy Helmet Wiring Kits Adjustable by-pass pressure using installedIMCA Modified Headers fit D&M, Dirt Works, Swartz , etc. Straight out design, one piece welded construction. 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, insert mufflers, mandrel