CYLINDER WORKS Cylinder Kit - Big Bore 21004-K01 crankbrothers Covers that hide the breather

Covers that hide the breather bolts

This results in horsepower and torque gains throughout the useable rpm range to accelerate you past the competition

Rise Cheek Pads - 2XL - 15 mm

individual organizer pockets plus additional mesh pockets allow riders to quickly and easily sort and store items

Includes small heat shield that replaces stock heat shield

CYLINDER WORKS Cylinder Kit - Big Bore 21004-K01 crankbrothers Covers that hide the breatherCylinder Kit Big Bore Ready to install, direct bolt on cylinders require no re plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise, Nickel Silicon Carbide plated for long life, Kits come complete with gaskets, cylinder, piston, rings, pin and clips, Big bore cylinders do not require machine work, Made in the U. S. A.