BOLD MAGENTA part numbers are new for 2023 ENGINE PARTSCANADA .COM OFFROAD | 2023 577 DISCLAIMER: SEE PAGE 6 FOR IMPORTANT INFORMATION REGARDING CERTAIN WARRANTY AND EMISSION CONTROL REGULATION COMPLIANCE AND NOISE REGULATION INFORMATION. HIGH-PERFORMANCE PISTONS continued on next page. HIGH-PERFORMANCE PISTONS • Forged from high-silicon aluminum alloy for maximum strength and dependability • Wiseco offers a complete range of popular piston models and years for both trail and racing applications FORMULA FOR COMPUTING CUBIC CENTIMETER DISPLACEMENT D = Bore Size in Inches; S = Stroke in Inches; Number = Number of Cylinders D(2) x .7854 x S x N x 16.387 = CC Displacement REPLACEMENT RING SETS • Each ring set is for one piston • See Wiseco ring buyer’s guide for details NOTE: Wiseco rings fit only Wiseco pistons. 4-STROKE RACER’S CHOICE PISTONS • Now you can own the same race parts as all the top race teams • These 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 longer • When blow-by starts to increase on other pistons and power starts to fade,Wiseco Race Series parts continue sealing and performing • Racer’s Choice pistons features include boxed forging, shot-peening, titanium nitride rings and ArmorGlide skirt coating NOTE: Service intervals may be increased with Racer’s Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only. 2-STROKE GP SERIES PISTONS • Have additional features over standard Pro-Lite parts • Each piston is E-coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonation • GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression • Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end WISECO FEATURES PRO-LITE PISTONS • Durability, longevity and increased horsepower • Innovative forging design and piston skirt provide maximum horsepower and torque PK PISTON AND GASKET KITS • Contains all the necessary components for overboring or rebuilding your top end • Features forged pistons, rings, wrist pins, circlips and top end gasket set
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