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Kartboy lightweight Crank Pully

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Product Description

The heavier the spinny thing is and the faster it spins, the more energy it sucks up. Heavy, fast spinny things are slow, mkay? One of the heaviest, fastest spinning things you have is the crank pulley. The stock crank pulley weighs in at a tubby 5.7lbs. This Kartboy lightweight crank pulley barely tips the scales at 2.4lbs. That's less than half and we like things that are less than half. When you take something that spins 7,000RPM and more than halve its weight, good things happen. The engine will rev faster in both directions, making shifting faster. There won't be as much energy stored in the pulley, so the car will accelerate more quickly. "But wait!", you say, "If you go too light, the ECU gets mad and sets off a misfire CEL!". Well, Kartboy is way ahead of you on this one. The 2.4lbs crank pulley is light but not too light, substantially reducing the risk of a CEL. Win.

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