Innovators West Harmonic SFI Damper 15% Overdrive (Shelby GT500 5.4/5.8L) 828

Innovators West SFI 18.1 Harmonic Balancer

For Ford Shelby GT500 with 15% Overdriven. Fits mod motor 5.4L or 5.8L.

Part #: 10008 - Dual Keyway Option: Add dual keyways for Supercharged or Extreme Duty Applications. Requires double keyed crankshaft snout.

Part #: 10019 - Super Duty No Relief Hub Option: The super duty no relief hub has the relief at the rear of the hub removed for additional crankshaft to damper hub contact for high horsepower supercharged applications. The super duty no relief hub does require extra caution upon installation in order to line the crankshaft keys up with the damper hub keyways.

Diameter: 8.13"

Weight: 11.3 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: This damper will not fit the 2013 GT500's that are equipped with the "Track Pack" option.

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