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High quality bore kit that shows substantial power gains throughout the RPM range. Kit includes high performance, Wiseco 61mm piston that bores into stock cylinder. 11.0:1 compression ratio allows use of 92 octane premium pump gas. Complete kit includes: piston, ring set, pin, clips and gaskets. Add BBR 26mm Carburetor Kit for additional performance gains.
*** IMPORTANT REPLACEMENT PARTS NOTE:If you have previously purchased this kit from BBR, you may have a piston made by Powroll. For these Powroll pistons please order replacement items that note "Powroll" in the description. Gasket Kit # 410-DRZ-1210. Ring Set # 410-DRZ-1212.
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