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 2006-2006 GMC Yukon XL 1500

2006-2006 GMC Yukon XL 1500

Fuel Type: Gasoline

1972-1979 Pontiac Firebird

1965-1969 Chevrolet Biscayne Base CID 396 Naturally Aspirated GAS

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 2006-2006 GMC Yukon XL 1500These 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