JE Pistons Standard 23 Domed Forged Piston Set - SB Chevy 350 - 4.060" Bore, 3.500" Stroke, 6.000" Rod Length, 12.8:1 Ratio, 13cc Transfer Gearbox Temperature Gauge these Hedders feature a unique

these Hedders feature a unique 4-into-1 flat collector that produces the same power as a standard collector

Steel Wing Head Fasteners 7/16" x

Will not fit with ground effects package

Hedman Hedders is so confident in the quality of its headers

JE Pistons Standard 23 Domed Forged Piston Set - SB Chevy 350 - 4.060" Bore, 3.500" Stroke, 6.000" Rod Length, 12.8:1 Ratio, 13cc Transfer Gearbox Temperature Gauge these Hedders feature a uniqueThese high compression pistons are compatible with most aftermarket 23? heads and are ideal for drag racing and circle track applications. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC ring grooves are designed for 1 16, 1 16, 3 16 rings. Will not fit Pro Topline or Brodix 11X cylinder heads. Includes: Pin #927 2750 15 51S (130g) Double Spiro locks #927 042 CS Contact reduction grooves