Wiseco Subaru EJ257 WRX/STI 4v Dish -15cc 99.75 Piston Shelf Stock Kit

Professional Series forged racing pistons from Wiseco are designed for serious racers and builders, featuring custom-level performance and durability. Made in the USA from 2618 aluminum for improved tensile strength, these pistons include ArmorGlide® Skirt Coating for seizure resistance, friction reduction, and quieter operation. They feature a fully machined crown with precision ring grooves, an anti-detonation groove, and additional ring seal improving features. Designed and built to withstand heavy to severe duty performance applications, these pistons also feature forced pin oiling.