JE Pistons Standard 23 Domed Forged Piston Set - SB Chevy - 434 C.I. - 4.155" Bore Size - 4.000" Stroke - 6.000" Rod Length AA0710AG3S54 Dual 2-1/2 in Outlet

Dual 2-1/2 in Outlet

1987 Chevrolet R20 CID 400

Vehicle Applications: CHEVROLET SILVERADO 1500 DOUBLE/CREW/GMC SIERRA 1500 DOUBLE/CREW 14-18/CHEVROLET SILVERADO 1500 LD 19-19/CHEVROLET SILVERADO 2500/3500 DOUBLE/CREW/TAHOE/SUBURBAN/GMC YUKON/YUKON XL 15-20/GMC SIERRA 1500 LIMITED 19-19

029 in Idle Hole

Holley #8 AN Fuel Line Kit - Ultra Dominator Carburetor 34-48

JE Pistons Standard 23 Domed Forged Piston Set - SB Chevy - 434 C.I. - 4.155" Bore Size - 4.000" Stroke - 6.000" Rod Length AA0710AG3S54 Dual 2-1/2 in OutletThese 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