Seller notes

JT Front Sprocket 428 12T fits Yamaha YZ80 1983 Product Details Manufactured to exacting tolerance using SCM420 chromoly stEach JT 428 countershaft sprocket is heat treated then bead blasted to reduce surface friction and enhance chain and sprocket longevity Every JT sprocket goes through up to 25 production stages and 10 individual quality control checks before it is ready to leave the factory Sold individually Fit GuideModelFront SprocketChain Pitch428MaterialSCM420 Chromoly Steel AlloyPositio...

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