The Wiseco Professional Series five-piece piston set is a forged racing solution for select 5-cylinder applications, specified at an 83.50 mm bore with a 0.906 in pin diameter. Built for heavy to severe duty race builds, these pistons feature 2618 aluminum construction, ArmorGlide skirt coating, precision ring grooves, anti-detonation features, forced pin oiling and are supplied with premium rings.
Wiseco Focus RS 2.5L 20V Turbo 83.5mm Bore 8.5 CR .906in Pin Diameter B5254 Dish Pistons - Set of 5