J.E. Pistons 379446 FSR Ultra Series Piston Kit - Standard Bore 92.00mm, 9.0:1 Compression suspension-fork-springs Kit consists of: axle with

Kit consists of: axle with outboard CV joint and boot packed with grease and inboard boot with clamps and grease

Ultra-strong and super-lightweight

Both include 3% copper in materials for better heat resistance

Aero Skirt for XT9000 Helmets

2008 Ski-Doo GSX 600 Limited

J.E. Pistons 379446 FSR Ultra Series Piston Kit - Standard Bore 92.00mm, 9.0:1 Compression suspension-fork-springs Kit consists of: axle withBore: 92. 00mm Compression: 9. 0: 1 Compression Sizing: Standard Bore 999cc. In house forging has allowed JE to develop proprietary Aligned Grain Flow Technology forging technology that directs the grain flow of the aluminum to flow around critical areas of the piston, increasing strength. Lateral gas ports channel combustion gases to the back of the top ring groove, which adds pressure behind the compression ring to keep it pushed against the