These Wiseco Sportsman Series Pistons are geared toward budget minded consumers looking for the best bang for their buck in quality forged racing pistons. The features you would normally find in a high quality set of Wiseco Pistons can be found at an affordable price with Pro Tru. All applications are CNC machined with symmetrical valve pockets and feature pressure fed pin oiling with precision finished full floating pins. These pistons give you the reliability expected from a Wiseco design at a great price.