Wiseco Pro-Lite Rebuild Kit - SK1304 Ski-Doo Snowmobiles 1999-2009 Brand_Lethal Threat Smaller lighter weight retainers which

Smaller lighter weight retainers which drastically reduce the valve weight creating a quicker revving and smoother motion than comparable dual or single valve springs

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Wiseco Pro-Lite Rebuild Kit - SK1304 Ski-Doo Snowmobiles 1999-2009 Brand_Lethal Threat Smaller lighter weight retainers whichFeatures All the necessary components for overboring or rebuilding your top end Kit includes forged pistons, rings, wrist pins, circlips and top end gasket set Cylinder sleeves must be purchased separately. Specs Model Pro Lite Product Name Rebuild Kit Riding Style Snow Bore Oversize +1,00 mm Piston Material 4032 Aluminum Alloy Type Top End Bore Oversize +1. 00 mm Displacement 613 cc Skirt Coating ArmorGlide Engine Type 2 Stroke Piston Diameter 76. 86