WSM Piston Kit - Honda 250 - +.50 mm 50-229-05K Track Jacket — Yamaha but with an oversized thumb

but with an oversized thumb diameter that tapers down to regular size at the ends to match the contours of a closed fist for maximum comfort and control

Medium compound is for better traction and comfort

For direct fit to Graves Exhaust listed below

Original factory shape

POLISPORT Body Kit - Complete - OEM Red/White - CRF 450R 90084

WSM Piston Kit - Honda 250 - +.50 mm 50-229-05K Track Jacket — Yamaha but with an oversized thumbQuality 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