Seller notes

Yamaha AT-1 NOS Vintage Wiseco Piston Kit. 0.80 over stock bore. Includes Piston, Ring, Cir-Clips, & Installation paperwork in original box. Part # 185 P8. Genuine Vintage Wiseco Parts. Made in the USA! Minimal, but normal wear from handling, age, and long term storage. Please see photos to ascertain actual item(s) condition. Please be sure to check your required part number, to determine fitment for your specific application, before purchasing! Stored in a climate controlled environment. Also, ...

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