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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
All kits come complete hardened parallel washers for an even load distribution and accurate torque readings
The internal components are made from EN36 material as used in racing
which feature color-matched components--an industry first
and these cast aluminum pans have a beautiful polished finish for great looks
They feature larger radius stud fillets for extra strength
Ford SB 289 302 Windsor 5.4" 4.020" 1.090" 0.927" Flat Top Forged Pistons All kits come complete hardenedSpeedmaster 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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