Wiseco BMW M50B25 84.25 mm Bore 38.20 mm CH -1.50 CC Piston Set - KE114M8425AP

Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strengthArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operationFully machined crown featuresPrecision ring grooves, anti-detonation groove, and additional ring seal improving featuresForced pin oilingDesigned and built to withstand heavy to severe duty performance applications