WSM Piston Assembly - Yamaha - +.25 mm 010-872-04K Qualifier Jersey Internal toe box reinforcement layered

Internal toe box reinforcement layered under the microfiber

No modification to stock components

PRODUCT NAME MUFFLER TYPE SLIP-ON MODEL FACTORY S FINISH NATURAL MATERIAL STAINLESS STEEL COLOR/FINISH TITANIUM LOOK END CAP MATERIAL CARBON FIBER END CAP COLOR/FINISH MATTE UNITS EACH RIDING STYLE STREET

POSITION NOTES 2006-2007 Suzuki DR-Z 400 - - 2006-2007 Suzuki DR-Z 400 K - - 2006-2007 Suzuki DR-Z 400 E - - 2005-2021 Suzuki DR-Z 400 SM - - 2003-2004 Kawasaki KLX 400 SR - - 2000-2022 Suzuki DR-Z 400 S - -

We highly recommend using the timing cover with the clutch cover for maximum protection

WSM Piston Assembly - Yamaha - +.25 mm 010-872-04K Qualifier Jersey Internal toe box reinforcement layeredQuality 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