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 Volkswagen Beetle Spring Plate Bushing 429-460 feature a precision-ground crown

429-460 feature a precision-ground crown radius and surface finish

Use of external oiling pickup required

Not recommended for 4x4 applications with electronic transfer cases

Extra Long Polished Stainless Steel Tips

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 Volkswagen Beetle Spring Plate Bushing 429-460 feature a precision-ground crownThese 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