WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK 4" Slip-On Mufflers Yamaha YZF 1000 R1 2004-2006

Yamaha YZF 1000 R1 2004-2006 YZF 600 R6 2005 Kawasaki ZX 10R Ninja 2004-2010 Triumph Daytona 675 2006-2008 Suzuki GSX 1300R 08-18 GSX1300BK B-King 2009-2012 Street Or Track Use Fork Piston Upgrade Compression + Rebound Assemblies

Highly resistant protection of the engine cover against stone strikes and damage from falls or impacts when handling the bike

Contain the required number of ignition cover and oil filler plugs Machined from aircraft-grade aluminum Polished to a mirror finish

closed loop EFI tuning

Fitment: 2004-2006 Yamaha R1 / 2017-2019 Yamaha R6

WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK 4" Slip-On Mufflers Yamaha YZF 1000 R1 2004-2006Quality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves