Fast MOOSE RACING Piston Kit - 77.00 mm - Yamaha MPX1090C Organic

Piston Kit - 77.00 mm - Yamaha Feature X-style forgings for strength, minimizing friction, durability, power, and weight reduction, Full radius dome designs maximize quench while eliminating hot spots that promote detonation, Internal bracing maximizes durability while decreasing friction in the pin assembly, Piston kit includes wrist pin, rings, & circlips, Made in the USA