Wiseco Chevy Big Block 4.615in Bore 1.155in CH 15.60 CC Piston Set

This is a set of eight Wiseco Professional Series forged pistons for Chevrolet Big Block engines. You get pistons designed for a 4.615-inch bore with a 1.155-inch compression height and a 15.60cc combustion chamber volume. These pistons are built from 2618 aluminum, which is forged and machined in the USA to give you improved tensile strength for demanding applications.

Wiseco has packed these pistons with features for serious racers and builders. You'll find precision ring grooves, an anti-detonation groove, and other features to improve ring seal. They also come with an ArmorGlide skirt coating, which helps reduce friction and resist seizure, while also making operation quieter. The fully machined crown and forced pin oiling are also notable details that contribute to their ability to withstand heavy to severe duty performance builds.

Because these are designed for heavy-duty racing, they are not CARB approved and cannot be shipped to California. If you're building a high-performance Big Block for racing or severe duty use, these pistons are a solid option to consider.