Top End rebuild kits will come with precision matched pistons, rings, circlips, wrist pins, and a Top End gasket Kit for 1 motor. Pistons kits are sold per cylinder and will include precision matched pistons, rings, and circlip. Pro-lite series pistons will include wrist pin.

• All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
• Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available.
• Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation.
• Wiseco pistons can be installed in any of today’s cylinder bore compositions (cast iron, chrome, nikasil and boron composite) with confidence.
• Wiseco’s wide range of oversize pistons increase the life of cast iron lined cylinders.
• With the availability of replacement cylinder sleeves, chrome, nikasil and boron composite cylinders can be resleeved to accept Wiseco’s oversizes.
• WPS Distribution centers combined with Wiseco's extensive inventory selection provides you with easy access one of the largest powersports suppliers of pistons and top end rebuild kits in today's marketplace.