Seller notes

Fits 1983 Yamaha IT490 Front Jt Sprocket Computer designed for ultimate strength Top quality materials for unbeatable value Meets or exceeds highest quality standards Heat treated and beadblasted for reduced surface tension Front sprockets made with Japanese C45 high carbon steel and SCM415 chromoly steel alloy Steel rear sprockets made with Japanese C45 high carbon steel Aluminum rear sprockets made with Austrian 7075 T 6 anodized aluminum Lighter than comparable steel sprockets Improved perfor...

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