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Improved Racing's crank scrapers are now compatible with all GM Gen IV LS engines with a factory 3.622 inch stroke. The updated scraper now accommodates aftermarket hardware such as ARP main studs.

Help prevent oil starvation while gaining up to 5 HP at the wheels! Starting at just $69.

We are currently developing a scraper for 4.0" strokers. They should be available in about 2 months.

More info: Crank Scrapers | Improved Racing


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