Ford FE 390 427 428 Internal Balanced Fluid Damper Harmonic Balancer SFI 18.1 Speedmaster braided hoses feature a

Speedmaster braided hoses feature a partial stainless steel reinforcement within the inner braid

It has bendable locking tabs and comes with special high-strength bolts

ensuring a perfect fit and maximum efficiency

while increasing your engine performance

Ford FE 390 427 428 Internal Balanced Fluid Damper Harmonic Balancer SFI 18.1 Speedmaster braided hoses feature aUsing 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.