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Speedmaster Aluminum Roller Rockers are extruded from 6061 T6 Aluminum
Speedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs
Made from heavy-gauge metal with a silkscreen finish for long-lasting use
brake pads
and increasing the cap's resistance to closing up under high loads
Chevy BBC 454 6.385" 4.530" Bore 1.270" .990" Dome Top Forged Pistons Speedmaster Aluminum Roller Rockers areSpeedmaster 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.
US$ 4890.00
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