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These crankshafts feature profiled aero-wing counterweights and have straight shot and chamfered oil holes
which is much stronger than stock steel and mates better with an aluminum case
Choose long or short styles in a natural or shiny polished finishes
these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers
Chevy BBC 454 6.385" 4.280" Bore 1.270" .990" Dome Top Forged Pistons These crankshafts feature profiled aero-wingSpeedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance. Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength. Specifically designed for naturally aspirated or moderate nitrous applications.
