Wiseco Mazda Speed 3 Dished -13.3cc 9.5:1 Piston Shelf Stock Kit

Wiseco is well-known for making strong internal engine components, especially for performance applications. This Professional Series piston kit is built for the serious racer or builder who needs parts that can handle heavy use. These pistons are designed and machined in the USA from 2618 aluminum, which gives them improved tensile strength for demanding builds.

Each piston features precision ring grooves, an anti-detonation groove, and other features to improve ring seal. The crown is fully machined, and they come with forced pin oiling to keep things lubricated. Wiseco also applies an ArmorGlide skirt coating, which helps reduce friction, resist seizure, and operate more quietly. This kit is designed to withstand heavy to severe duty performance applications, giving you the confidence to push your engine further.

This kit includes four pistons, each with a -13.3cc dish volume, resulting in a 9.5:1 compression ratio. The bore size is 87.50 mm, with a compression height of 32.25 mm and a pin diameter of 0.886 inches. Please note that these pistons are not CARB approved and cannot be shipped to California.