Manley Chevrolet LS Piston Set - 4.005in Bore 1.304in CH, -4.00 CC

If you're building a high-performance Chevrolet LS engine, a solid set of pistons is crucial for handling increased power and stress. This Manley Piston Set is designed for just that, using a robust 2618 alloy forging that's known for its strength and ability to withstand demanding conditions. The 4.005-inch bore size and -4.00cc dish volume are specific dimensions for certain LS engine builds, helping to achieve your desired compression ratio and displacement.

Manley uses proven cam and barrel skirt profiles on these pistons, which helps them generate substantial power while also being designed to minimize wear on your cylinder walls. The ring lands and grooves are machined to very precise standards, which is key for getting a good seal from your piston rings, ultimately leading to more power and better engine efficiency. These pistons also come with tool steel wrist pins, offering excellent durability for high-stress applications. The unique fixturing Manley uses allows them to machine the skirt and ring grooves in one setup, ensuring they are perfectly square to each other for optimal performance.

This set is a popular choice among professional engine builders and tuners who need reliable components for their performance LS engines. Keep in mind that these pistons are not CARB approved and cannot be shipped to California. For a complete build, you'll want to ensure you have the correct supporting components like rings, connecting rods, and a compatible crankshaft to match these high-performance pistons.