6.75" 455" Pontiac Harmonic Damper

6.75" 455 Pontiac Harmonic Balancer 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.

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