Wiseco 02-06 Acura/Honda K20/RSX-S 86.5mm Bore .020 Over 11.0:1 CR Dome Dish Piston (Single Piston)

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