Wiseco Forged Series Piston Kit – 675M08400 Polaris Sportsman 2001-2003

Description

Forged from high-silicon aluminum alloy for maximum strength and dependabilityWiseco offers a complete range of popular piston models and years for both trail and racing applicationsDurability, longevity and increased horsepowerInnovative forging design and piston skirt provide maximum horsepower and torqueFeatures forged pistons, rings, wrist pins, and circlipsThese high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longerEach piston is E-Coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonationGP Series parts generally have less machining on the outside, which helps seal up the bore for increased compressionAdditionally, boost ports are removed for a more predictable powerband and increased pull on the top endCylinder sleeves must be purchased separately.Service intervals may be increased with Racer’s Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.SpecsUnitsKitProduct NamePiston KitRiding StyleATVStroke Length70,00 mmModelForged SeriesBore – Oversize+1.00 mmCompression RatioStockSkirt CoatingNon-CoatedDisplacement400 ccPiston MaterialForgedEngine Type2-StrokeStroke Length70.00 mmBore – Oversize+1,00 mmBore Size84.00 mmPiston Diameter83.92 mmPiston Material4032 Aluminum Alloy