Damper Installation Instructions [PDF Format].
Damper Hub Honing Instructions [PDF Format].
Mod Motor Special Balancer Install Instructions [PDF Format].
Harmonic Damper Installation YouTube Video
6.5″ Mod Motor Harmonic Balancer 6 Rib, Std. Dia. #811
$495.00 – $510.00
SFI 18.1 Harmonic Balancer for 2V, 3V, 4V Mustang GT & Cobra with 6 Rib Std. Dia. Pulley. The “Mod Motor” balancers are designed to fit 4.6L 2V, 3V and 4V engines as well as 5.4L 2V engines.
- Diameter: 6.5″
- Weight: 6.6 lbs
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
- NOTE: The Super Duty Blower Hub option is a thicker hub that provides greater resistance to hub cracking under high power supercharged applications (750 rwhp and greater). This option includes a new custom made timing cover seal to adapt the oversized hub to a stock timing cover.