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.
Please use damper #218 for Supercharged appplications needing a 1/4" second key or if over 2000 hp.