Big Block Ford 7 Inch Super Duty Harmonic Damper with Boss Length Crank Snout #218

$575.00$746.00

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.

  • Outer Diameter: 7″
  • Weight: 9.1 lbs
  • 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.

Options

Double 3/16" Keyway Add On

Add an additional 3/16 Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase. This is a labor option for new damper purchase only.

3/16" x 1/4" Keyway Add On

Add an additional 1/4" Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. (Requires a Blower/Super Duty Hub or BBC Crank Snout) *Requires damper purchase. This is a labor option for new damper purchase only.

Double 1/4" Keyway Add On

Dual  1/4" Keyways (Requires a Blower/Super Duty Hub or BBC Crank Snout) Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase. This is a labor option for new damper purchase only.

SBF/BBF Ford Blower Hub Timing Cover Oil Seal #983

Timing Cover Oil Seal for Blower Hub Applications, fits Small or Big Block Ford with Stock Style Timing Chain Cover. For use with dampers that have the larger "Blower Hub" outside dimension (2.065")