Wiseco 450M05100 Forged Piston Kit 51.00mm Bore

The Wiseco 450M05100 is a forged piston kit featuring a 51.00mm bore diameter, engineered for powersports engines demanding superior strength, precision fit, and long service life. Built on over 80 years of piston development experience, this kit delivers the performance and durability trusted by both competitive racers and recreational riders.

Key Features:

• High-silicon, low-expansion forged aluminum construction — delivers superior strength, reduced reciprocating weight, improved heat transfer, and extended service life compared to cast pistons
• CNC diamond-turned finish — precision-machined on computer-controlled turning centers for a perfect surface finish and zero size variation
• Universal cylinder bore compatibility — engineered to install with confidence in cast iron, chrome, Nikasil, and boron composite bore compositions
• Oversize availability — part of Wiseco's wide range of oversize pistons to extend the life of cast iron lined cylinders; chrome, Nikasil, and boron composite cylinders can be resleeved to accept Wiseco oversizes
• Complete kit — includes piston, ring set, wrist pin, and circlips for a straightforward installation

Kit Includes: Piston, ring set, wrist pin, and circlips (top-end bearings, gaskets, and cylinder sleeves sold separately).

Wiseco forged pistons are the choice of top race teams and performance enthusiasts worldwide. The 450M05100 is manufactured to exacting tolerances in Wiseco's state-of-the-art facility, ensuring every piston meets the high standards required for peak horsepower and reliable daily use.