Teflon Crank Scraper
Product Information Made by the same company that makes our other crank scrapers, these are the best available for your 3100 or 3400. A rough cut piece of teflon is sandwiched between 2 carbon steel plates. The teflon is then cut close to the crank for an interference cut after you install it to your motor. The crank can then be turned over by hand to bed it in. Teflon will move out of the way when the crank touches it, so you have a true "scraper" in every sense. LA1 3400 GM 60 Degree V6
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Price: $149.99