New 6 rib Innovators West crank harmonic balancer with super duty adapter hub for Metco or LFP rings , parts number 811/963SD , Fits supercharged 03-04 Ford Mustang Cobra [ 4.6 DOHC] . Balancer works with Metco and LFP supercharger lower pulley kits
- Diameter: Metco Drive Rings
- Weight: 9.2 lbs
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
- Works with Metco Motorsports & Lightning Force Performance Interchangeable Pulleys
- 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.