Seller notes

This crank pulley kit is based on the Innovators West replacement balancer assembly for the GM LT4 engine. This kit represents a clean and simple way to add boost and horsepower without making any permanent modifications. The SFI-approved Innovators West balancer is precision-machined in the USA and installs directly in place of the factory unit. The IW balancer and crank ring assembly weighs only 12.6 lbs, compared to 16.2 lbs for the factory steel unit. Installation of this kit removes signifi...

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