JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 422 C.I. - Bore" 4.165" - Stroke: 3.875" - Rod Length: 6.000" 1341016 Unit has adjustable sipe depth

Unit has adjustable sipe depth

and wind the support spring into the hose

625 in Triple Spring

soft molded rubber sole that wraps up the back of the shoe and an internal arch support not found in many other driving shoes

3" Bolt Pattern

JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 422 C.I. - Bore" 4.165" - Stroke: 3.875" - Rod Length: 6.000" 1341016 Unit has adjustable sipe depthThese 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