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683" Spring I
Power Grid ARC Module
Performance gasket are made from durable
Throttle Return SpringsPrimary & Secondary Kit
Small Block Chevy 400 - 23° Standard Flat Top Forged PistonSmall Block Chevy 401
Big Block Inverted Dome Forged Piston J257943 Product:Big Block Chevy 548, 4.530" bore, 6.385" rod length, -20.0cc dome vol 683" Spring IBig Block Inverted Dome Forged PistonBig Block Chevy 548, 4. 530" bore, 6. 385" rod length, 20. 0cc dome volume J257943 57943 These big block pistons are compatible with forced induction, nitrous and angle milled heads. The inverted dome shape has been designed for maximum efficiency and horsepower. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1 16, 1 16, 3 16
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