Schoenfeld Slip-On 4 Tube Collector - 1-3/4" x 3" 29020R 166 in Bore

166 in Bore

Valve spring heights are more consistent as a result

700 in Port

Tips Welded On

Dual Filament Bulb

Schoenfeld Slip-On 4 Tube Collector - 1-3/4" x 3" 29020R 166 in BoreSchoenfeld Slip On 4 Tube Collectors are available in a variety of sizes. Fits 1 3 4" Primaries, 3" Collector. 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,