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Headset or Helmet Extension
GM A-Body 1964-72 / GM F-Body 1967-69 / GM X-Body 1964-72
1999-1999 Ford E-350 Super Duty
The Endurance Plus series of valve springs utilizes a specially processed Tool Room Material outer spring for increased endurance/reliability beyond the "SP" series
0 Mustang kits are available in standard 20:1 Ratio and 15:1 Quick Ratio versions
Schoenfeld SB Chevy Modified Headers - Spread Port - 1-3/4" - 1-7/8" Tube Diameter UNI-MAG Headset or Helmet ExtensionEllis Modified Header. Bolts and Gaskets included. 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 bends, exhaust reducers, header gaskets, and more.