Ford 429 460 SFI 18.1 Harmonic Balancer Fluid Damper Internal [Chrome] They're precision-machined from T6-106 billet

They're precision-machined from T6-106 billet aluminum

improve starting

reliable cam timing

These Speedmaster aluminum water pump pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 aluminum specifications and come in machined or polished finishes to suit your application

Speedmaster manufactures these master cylinders from quality materials to ensure proper fitment

Ford 429 460 SFI 18.1 Harmonic Balancer Fluid Damper Internal [Chrome] They're precision-machined from T6-106 billetUsing 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.