Big Block Ford 7 Inch Super Duty Harmonic Damper with Boss Length Crank Snout

Designed specifically for 460 Big Block Ford High Performance engines with the Boss Length Crank Snout. Meets & exceeds SFI 18.1 specification featuring an all aluminum case design for light weight, stress-proof steel hub and 1040 steel inertia rings for durability. Wet clutch friction design style with precision machined harmonic dampening for street and race engines.

Uses 6 bolt pulley (Dual BBC Bolt Pattern) and is designed with a hub that uses the Boss Length Crank Snout, it does not use a separate crankshaft spacer.

• BBC Style 6 bolt Dual Pulley Pattern


• Uses Boss Length Crank Snout (no spacer)


• Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.