Manley Chevrolet Small Block 4.040in Bore 1.280in CH -4.00 CC Piston Set

If you're rebuilding a Chevrolet Small Block engine and need a solid set of pistons, this Manley Performance set is a great option. These are designed for a 4.040-inch bore and feature a 1.280-inch compression height with a -4.00cc dish volume. Manley is a well-known name in performance engine building, and these pistons are built to handle serious work.

What sets these pistons apart is the material they're made from: domestic 2618 alloy forgings. This alloy is chosen for its strength and ability to perform under high stress, making it a popular choice for performance builds. They also come standard with tool steel wrist pins, which are very durable. Manley pays close attention to the details, like the ring lands and grooves, ensuring a good seal for maximum power. The cam and barrel skirt profiles are designed to be effective at generating power while also being easy on your cylinder walls. They even use unique fixturing to machine the skirt and ring grooves in one go, which helps keep everything square and true.

This set is intended for serious engine builders and tuners looking for reliable performance. Keep in mind that these pistons are not CARB approved and cannot be shipped to California. If you're building a high-performance Chevy Small Block, these pistons are a well-built choice that many professional engine builders trust.