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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Speedmaster main caps are precision machined from superior-quality steel
you get reduced wear on the main bearings and timing gear
The Speedmaster Supercharger Idler Pulley Nut is a high-performance component designed to ensure the optimal functioning of your supercharger system
The adaptors are available in different widths and register bore hole sizes to match your specific engine application and supercharger model
Speedmaster shifters designed to fit most 3 or 4-speed automatic transmissions
Chevy BBC 454 6.385" 4.600" Bore 1.270" 0.990" Dome Top Forged Pistons Speedmaster main caps are precisionSpeedmaster 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.
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