Ford 429 460 SFI 18.1 Harmonic Balancer Fluid Damper Internal [Chrome] These Speedmaster cast crankshafts are

These Speedmaster cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days

Installing a Speedmaster oil restrictor kit will limit this unnecessary oil flow

Our read end assemblies are the ultimate solution

Engineered for performance and built to last

ensuring that your injectors never run dry

Ford 429 460 SFI 18.1 Harmonic Balancer Fluid Damper Internal [Chrome] These Speedmaster cast crankshafts areUsing only three parts a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two these SFI approved Fluid dampers can control all crankshaft vibration, not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.