Wiseco Chrysler Small Block Mopar Gen III 6.1L Hemi 4.06 Bore 4.050 Stroke -18.0 CC Dome

Wiseco is well-known for making strong, reliable internal engine components, especially for high-performance applications. This Professional Series piston set is a prime example, built for serious racers and builders tackling demanding Chrysler 6.1L Hemi engines. These aren't just any pistons; they are designed from the ground up to handle the stress of heavy to severe duty race builds, giving you the confidence to push your engine's limits.

Each piston is forged and machined right here in the USA from 2618 aluminum, a material chosen for its improved tensile strength under extreme conditions. You'll find precision ring grooves, anti-detonation grooves, and other features specifically added to enhance ring seal and durability. They also come with a unique ArmorGlide skirt coating. This coating helps reduce friction, resist seizure, and contributes to quieter operation, all crucial for maintaining performance and longevity when your engine is working its hardest. The fully machined crown ensures consistent combustion chamber volume for predictable power delivery.

This set includes eight pistons, each with a -18.0 CC dome, a 4.060-inch bore, and a 4.050-inch stroke. They feature forced pin oiling to keep the wrist pins properly lubricated, and the pin diameter is 0.927 inches with a 1.090-inch compression height. Please note that these pistons are not CARB approved and cannot be shipped to California. They are designed for custom engine builds where maximum performance and durability are the top priorities.