Schoenfeld Short Design IMCA Headers - 1-3/4" Diameter - 3-1/2" Collector Diameter, 8" Collector Length - Standard SB Chevy CK02521 A-Arm: 10 Degree Bearing Style-Screw

A-Arm: 10 Degree Bearing Style-Screw in Ball Joint-Slotted Shaft-Specify Steel or Aluminum JOES Bearing Style A-Arms are state of the art

Features uniform micro openings that filter out debris 5 microns and larger

Clutch Linkage Upgrade

1991-1991 GMC R2500 Suburban

Schoenfeld Short Design IMCA Headers - 1-3/4" Diameter - 3-1/2" Collector Diameter, 8" Collector Length - Standard SB Chevy CK02521 A-Arm: 10 Degree Bearing Style-ScrewIMCA Short Header primary increases flat torquerange with crisp throttle response 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,