Thumbnail Filmstrip of IW-116 Blower Balancer - Chevy BB Innovators West "Supercharger Bolt Pattern Images
IW-116 BB Chevy 7" Blower Balancer with Blower 6 bolt pattern
For bolt on Crank Trigger use IW-1112 4 magnet IW-1112-12 for EFI
Just because you're running a Roots Style Blower doesn't mean you have to run a solid hub, you can STILL run a Damper and SAVE YOUR CRANK!
its TBS, Hampton, Dyer, Littlefield, BDS , Weiand , SSI , Kobelco style pattern ,
This SFI 18.1 Approved Balancer is designed for Roots Blower Pulleys to bolt right up.
The damper provides a 6-bolt, 2.76" bolt pattern as well as a male 2" pulley register.
The damper features an all aluminum case design for light weight, stress-proof steel hub and 1040 steel inertia rings for durability.
A wet clutch friction provides harmonic dampening for your street and race supercharged engines.
- Outer Diameter: 7"
- Weight: 8.3 lbs
- 6 Bolt, 2.760" Pulley Pattern
- Male 2" Pulley Register for TBS, BDS, and other Roots Style Blower Pulleys
- 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