Description

Part #: wisK556M87AP

Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco’s advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. These kits’ crown thickness and ring lands are designed for power-adders like turbos and blowers and nitrous oxide. They come complete with high-quality piston rings. Whether you’re on or off of the street, you can depend on the maximum strength and minimum variance of Wiseco’s aluminum-forged pistons for your sport compact vehicle. Choose the kit recommended for your make and engine application.

Piston Rings Included:YesBore (in.):3.425 in.Bore (mm):87.000mmStroke:86.00mmRod Length:136.250mmPiston Style:Dish, with no valve reliefsPiston Material:Forged aluminumCompression Height (in.):1.260 in.Piston Head Volume (cc):+12.00ccWrist Pin Style:Press-fit or floatingWrist Pin Retainers Included:YesWrist Pin Included:YesPin Diameter (in.):0.866 in.File Fit:YesGapless:NoTop Ring Thickness:1.0mmTop Ring Material:SteelTop Ring Facing Material:Gas nitridedSecond Ring Thickness:1.2mmSecond Ring Material:Cast ironSecond Ring Facing Material:Phosphate coatedOil Ring Thickness:2.8mmOil Ring Material:Stainless steelOil Ring Tension:StandardQuantity:Sold as a kit.