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IW-116 Blower Balancer - Chevy BB Innovators West "Supercharger Bolt Pattern
Thumbnail Filmstrip of IW-121 RCD Blower/ Pro-Charger Balancer Uses RCD Timing wheel -Innovators West w RCD Blower Hub Images
7″ Scribed RCD Racing Harmonic Damper #121
Specifically designed for Extreme Duty Boosted Applications on the Big Block Chevy, 481X or Hemi engines utilizing an RCD Crankshaft Hub, this Damper exceeds SFI 18.1 ratings and is designed specifically for Blower or Turbo Applications making over 2000 hp. This scribed damper does have 360* timing marks.
- Outer Diameter: 7″
- Damper Thickness: 1.60″
- Damper Bolt Hole Pattern: 6 x 3/8″ on 2.782″ DBC
- Damper Through Hole Diameter: 2.000″
- Weight: 7.4 lbs
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
https://innovatorswest.com/instructions/honing-insert.pdf Honing instructions