Moose Offroad Piston Kit - MPX1068 Yamaha YZ 450 2010-2019 Brand_S100 primary cover

primary cover

these mufflers have a perforated core with strategically spaced holes

Lowering kit lower the front end up to 2"

Same internal components as the Cobra PowrFlo air intake

and combustion chambers

Moose Offroad Piston Kit - MPX1068 Yamaha YZ 450 2010-2019 Brand_S100 primary coverFeatures Feature fully boxed style forging for ultimate 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 Forgings come standard with skirt coating which reduces friction, which in turn reduces heat Includes a DLC (Diamond Like Carbon coating) wrist pin;