JE Pistons 4.6 3V MODULAR 9.5:1 Set of 8 Pistons

If you're rebuilding the top end of your 4.6L 3V Modular engine for serious performance, a set of forged pistons like these from JE Pistons is a critical component. These pistons are designed to handle the increased stress and heat that come with performance builds, offering a solid foundation for boosted or high-compression setups. They feature a 9.5:1 compression ratio, which is a popular choice for many naturally aspirated or forced induction applications where a balance of power and pump gas compatibility is desired.

JE Pistons has been making performance engine parts for a long time, and these pistons are made in the USA using 2618 aluminum. This material is known for its strength, which is exactly what you need when you're pushing your engine hard. They also incorporate a proprietary Forged Side Relief (FSR) design, which helps reduce friction and weight by using a slightly narrower skirt and a shorter wrist pin. Depending on the specific application, you might also find features like an accumulator groove to improve ring seal and a skirt coating to cut down on friction and noise. These aren't just generic pistons; they're specifically designed for the 4.6L 3V Modular engine to optimize both performance and durability.

This set includes eight pistons, all machined to a 3.701-inch bore size with a 0.866-inch wrist pin diameter. 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 rings, connecting rods, and any necessary machine work done to match these high-performance components.