Wiseco Chevrolet LS RED- LS 4.000in Stroke Flat Tops 4.020in Bore - Set of 8

What you get in this set are eight forged pistons designed specifically for Chevrolet LS engines. These aren't just any pistons; they're part of Wiseco's RED series, which stands for Race Engineered Design. This means they're built with the kind of strength and precision needed for high-performance applications, whether you're building a drag car or a circle track racer. They're made from 2618 aluminum, a well-built material chosen for its tensile strength, which is crucial when you're pushing serious power, especially with forced induction or other power adders.

Wiseco machines these pistons in the USA, and they've included some smart features to help them perform and last. You'll find horizontal slot oiling in the pin bores, which keeps the wrist pins and the small end of the connecting rods well-lubricated, a key factor for longevity in a hard-working engine. The pistons themselves use dedicated forgings, allowing for a strutted design that maximizes strength while keeping weight down. Plus, they come with an ArmorGlide skirt coating that helps reduce friction and noise, and it also cuts down on wear to the piston skirt and cylinder walls. Each set also includes premium rings, so you won't need to source those separately, and an accumulator groove is built in to help maintain consistent ring seal and power delivery.

Keep in mind these pistons are not CARB approved and cannot be shipped to California. If you're building a performance LS engine, these pistons are a solid option designed for demanding use.