Wiseco RED Series Chevy LS 4.135in Bore 1.294in CH -15.00 CC Piston Set

If you're rebuilding a high-performance Chevy LS engine for racing, like drag or circle track, a strong set of pistons is fundamental. The Wiseco RED Series pistons are built for these demanding scenarios. They are forged and machined right here in the USA from 2618 aluminum, a material chosen for its high tensile strength, which is exactly what you need when you're pushing your engine hard, especially with power adders.

Wiseco's Race Engineered Design (RED) philosophy means these pistons aren't just strong; they're smart. They feature dedicated forgings that allow for an optimized, engine-specific strutted design, giving you the best possible strength-to-weight ratio. You'll also find horizontal slot oiling in the pin bores, which is crucial for keeping the wrist pin and the small end of the connecting rod properly lubricated, extending the life of these critical components. Plus, the ArmorGlide skirt coating helps reduce friction and noise, while also minimizing wear on the piston skirt and cylinder wall. An accumulator groove is included to help maintain consistent ring seal and power delivery.

This set comes complete with premium rings, so you won't need to source those separately. It's important to note that these pistons are not CARB approved and cannot be shipped to California. If you're building a serious LS performance engine, this set offers a well-built foundation.