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Speedmaster Pro-Billet Ready-to-Run distributors are the perfect upgrade for weak OE electronic distributors
These mounting blocks keep your starter secured and properly adjusted
Made from 4340 round bar to exact tolerances
They feature extra-thick steel that's double-welded to the ring gear for added strength
increasing rigidity and eliminating leakage
Ford SB 289 302 Windsor 5.4" 4.020" 1.090" 0.927" Flat Top Forged Pistons Speedmaster Pro-Billet Ready-to-Run distributors 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.
