JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 440 C.I. - Bore" 4.185" - Stroke: 4.000" - Rod Length: 6.000" 31020 Simpson P209Z at low everyday

Simpson P209Z at low everyday prices

24" wide at the mounting points and 16" tall but may be trimmed to fit many applications

Barnes has provided dry sump oil pumps for the most powerful racing engines

Billet aluminum water necks fit most Chevy V8’s

JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 440 C.I. - Bore" 4.185" - Stroke: 4.000" - Rod Length: 6.000" 31020 Simpson P209Z at low everydayThese 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