This Wiseco Sport Compact piston set fits Honda R18A applications with an 81.50 mm bore and is supplied as a set of four forged pistons. Engineered and machined in the USA from 2618 aluminum, the Professional Series design features precision ring grooves, anti-detonation groove, ArmorGlide skirt coating and forced pin oiling for durability in heavy-duty builds. These pistons are intended for high-stress performance or custom engine applications.
Wiseco Honda R18 81.5mm 9.0:1 CR Bore -10cc Dome Piston Shelf Stock Kit