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1966-83 trucks and Suburbans
If you want to run a roots style blower but you do not want a broken crank than you must employ this Speedmaster Billet Crank Support
They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power
Speedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs
These are direct plug replacements for OEM coils
Chevy BBC 454 6.385" 4.530" Bore 1.270" .990" Dome Top Forged Pistons 1966-83 trucks and SuburbansSpeedmaster 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.
