JE Pistons Standard 23 Domed Forged Piston Set - SB Chevy 374 C.I. - Bore" 4.125" - Stroke: 3.500" - Rod Length: 6.000" Steering Shaft Support Bearing Dominator EFI ECU

Dominator EFI ECU

Larger runners over standard 7121 manifold

but it also stays mounted in the cab of the vehicle and features real-time

1971-1973 Chevrolet G20 Van

JE Pistons Standard 23 Domed Forged Piston Set - SB Chevy 374 C.I. - Bore" 4.125" - Stroke: 3.500" - Rod Length: 6.000" Steering Shaft Support Bearing Dominator EFI ECUThese 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