
Audi EA839 JE Piston Package B9 / B9.5 S4 S5 3.0 Turbocharged
Orders shipping out week of February 17th 2025. Tired of playing the guessing game on what components to install in your engine to handle more power? Let us help! Our forged internal kits are a perfect way to stop worrying about what may or may not work! We at AMTuned are proud to be specialized engine and vehicle builders. With building more Audi specific engines than any other shop in the Americas on a monthly basis, we know what works and what does not, we also know what works better! Our seasoned data points of building record breaking engines has brought us here to this design! As of 12/18/24 we are the first company to incorporate asymmetrical piston skirts into the EA839 aftermarket piston design. We use a larger skirt on the major thrust side and a smaller skirt on the minor thrust side of the piston. The advantages of this design are numerous, including a piston design that is lighter and generates less friction since there is less surface area on the minor thrust side. Thus