MOOSE RACING Race Piston Kit MPX4015A Speedster Xtra Long Exhaust System Has a simple bell rolled

Has a simple bell rolled end with an inner steel tip

Multi-pack of decals

Optimal tooth thickness results in maximum tooth and chain contact

Laser-cut from high-grade quality stainless steel

Protect against track debris and reduce wear to the upper fork

MOOSE RACING Race Piston Kit MPX4015A Speedster Xtra Long Exhaust System Has a simple bell rolledMoose Racing pistons feature X style forgings and fully boxed style (race pistons) forgings for ultimate strength, minimizing friction, durability, power, and weight reduction Pro Race Piston increases the durability by reducing the stresses in the pin bore area Pro Race Piston allows the pin to flex while removing stress from the area Full radius dome designs maximize quench while eliminating hot spots that promote detonation Internal bracing