Wiseco 83.00 mm 8.6:1 Compression ATV Piston Kit with Top-End Gasket Kit features the highest quality forged pistons for Dirt Bikes, ATV's, Snowmobiles, Outboard Marine and Motorcycles in the USA. Find OEM LG Appliances 5221JA2006D Solenoid Valve, Water Inlet, 3-Coil, Refrigerator replacement part at Parts Town with fast same day shipping on all in-stock orders until 9pm ET Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more Piston domes are designed for optimal quench during the compression / combustion cycle, resulting in resistance to detonation and pre-ignition; the end product is longer engine life and increased horsepower potential 83.00 mm 8.6:1 Compression ATV Piston Kit with Top-End Gasket Kit. Type : Piston Kit. Compression Ratio : 8.6:1. Stroke : 71.50mm. Bore : 83.00mm... Wiseco PK1777 83.00 Mm 8.6:1 Compression ATV Piston Kit With Top-End Linking all segments of Wiseco's organization through design, testing, manufacturing and distribution helps to fulfill market needs with minimum lead-times. 90-95 Honda ATV TRX200D TRX200 Fourtrax Cylinder Jug Wiseco Piston Top End Kit Resistance to impact and fatigue Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Each forging is designed to optimize the strength-to-weight ratio and maximize performance. Compared to cast pistons, forgings are tougher and more durable and will stand up to the abuse that high performance motorsport applications require.