Description
Piston Kit – 79.90 mm – Yamaha
⇒ Quality and construction that meets or exceeds OEM.
⇒ Skirts have a nonabrasive, expansion-retarding MoS2 (Molydenum Disulfide) 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.
⇒ Features improved E-clip design.
⇒ Order one per cylinder.

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