Hastings piston ring kit Wiseco pistons 0.020 OS
Buell Xb, Tube frame and XL models
Piston ring kit for Wiseco Oversize pistons 0.020" ( set for bought pistons )
piston slot 1e compression 1,6 mm
piston slot 2e compression 1,6 mm
oil scraper slot 4 mm
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