6.75 Inch AMC Harmonic Balancer w/Chevy Bolt Pattern #401
This 6.75″ AMC Harmonic Balancer exceeds SFI 18.1 specifications and features 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.
Features Chevy bolt pattern for widely available pulleys and accessories.
- Outer Diameter: 6.75″
- 3.2″ BBC Bolt Pattern
- Weight: 7.6 lbs
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
2 in stock (can be backordered)