Manley Chevrolet LS Piston Set - 4.185in Bore 1.115in CH, -29.00 CC

When you're building a high-performance Chevrolet LS engine, the pistons are a critical component. This set from Manley Performance includes eight forged pistons, each measuring 4.185 inches in bore diameter. They feature a -29.00cc dish volume and a 1.115-inch compression height, designed to work with specific LS engine configurations. These aren't just any pistons; they're crafted from Manley's signature 2618 alloy forgings, a material known for its exceptional strength and ability to handle the demands of serious engine builds. You'll also find proven cam and barrel skirt profiles, which help generate power efficiently while minimizing wear on your cylinder walls. Each set comes standard with tool steel wrist pins, and for select applications, Manley offers upgrades to even more durable alloys. The attention to detail extends to the ring lands and grooves, which are machined to exacting standards to ensure a tight seal for maximum power output. Manley's unique manufacturing process allows them to machine the skirt and ring grooves in a single operation, ensuring perfect squareness between these critical areas. These pistons are a solid choice for professional engine builders and tuners looking for reliable performance and durability in their LS engines.

This piston set is built using domestic 2618 alloy forgings, which are chosen for their superior strength and performance characteristics under high stress. The cam and barrel profiles on the skirts are carefully designed to create substantial power while also being gentle on the cylinder walls, contributing to longer engine life. Manley adheres to strict standards when machining the piston ring lands and grooves, which is essential for an enhanced ring seal and ultimately, more power. Their unique fixturing process allows for the skirt turning and ring groove machining to be done in a single operation, ensuring ultimate ring groove to skirt squareness. This level of precision is what sets these pistons apart for demanding applications.