Wiseco RED Series Chevy LS 4.125in Bore 1.294in CH -15.00 CC Piston Set

If you're building a high-performance Chevy LS engine, Wiseco's RED Series forged piston set is a solid choice. These pistons are specifically designed for the demands of racing and power adder applications, offering the strength and durability needed to handle serious abuse. They are forged and machined in the USA from 2618 aluminum, a material known for its excellent tensile strength, making them well-suited for the high stresses found in performance racing environments.

Wiseco's Race Engineered Design (RED) philosophy means these pistons aren't just strong; they're smart. They feature horizontal slot oiling in the pin bores to ensure your wrist pins and the small end of the connecting rods stay properly lubricated, which is crucial for long service life. The dedicated forgings allow for an optimized, engine-specific strutted design that maximizes strength while keeping weight down. Plus, the ArmorGlide skirt coating helps reduce friction and noise, leading to less wear on both the skirts and the cylinder walls. You also get premium rings included with each set, so you won't need to source those separately.

This set is designed for a 4.125-inch bore and features a 1.294-inch compression height with a -15.00 CC dish. An accumulator groove is also incorporated to help maintain consistent ring seal and power output. Keep in mind that these pistons are not CARB approved and cannot be shipped to California.