Pay in 4 interest-free payments of $59.64 Learn more
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
to provide maximum performance
The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
The TorqueWorm is a torque biasing 6 pinion gear type limited-slip unit
and use low-resistance terminals for maximum conductivity
keeping your pulleys looking great for many years to come
Chevy BBC 454 6.385" 4.280" Bore 1.270" .990" Dome Top Forged Pistons to provide maximum performanceSpeedmaster 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.
