JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 436 C.I. - Bore" 4.165" - Stroke: 4.000" - Rod Length: 6.000" Engine Block Core Plug Elastic zig zag gauntlet closure

Elastic zig zag gauntlet closure ensures the gloves stay comfortably in place over the fire suit

12 mm Tri-Square

420" lift rule class

View the instructions below for a list of all fittings included

and Racing markets

JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 436 C.I. - Bore" 4.165" - Stroke: 4.000" - Rod Length: 6.000" Engine Block Core Plug Elastic zig zag gauntlet closureThese 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