SFI 18.1 Harmonic Balancer for 2V, 3V, 4V Mustang GT & Cobra. Uses 6 bolt pulley (dual BBC Bolt Patterns) for use with Crank Mandrels and other drive accessories.
The "Mod Motor" balancers are designed to fit 4.6L 2V, 3V and 4V engines as well as 5.4L 2V engines.
Innovators West Balancers feature 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.