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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
but have profiled counterweights for less weight
Additional fittings may be required depending on your application
All kits come complete with 4130 heat-treated
slotted brake rotors
Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons but have profiled counterweights forSpeedmaster 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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