JE Pistons 5.4 3V MODULAR 9.5:1 Set of 8 Pistons

JE Pistons is known for its extensive experience in forged racing pistons, with over 75 years in the business. They've applied that knowledge to this set of 8 forged pistons specifically for the 5.4L 3V Modular engine, offering a 9.5:1 compression ratio. These pistons are built for high-demand performance applications where durability and power are critical.

Each piston is forged in the USA using 2618 aluminum, a material chosen for its high tensile strength, which is essential for handling the stresses of a performance engine. JE Pistons incorporates their proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by using a reduced skirt width and a shorter wrist pin, also saving weight. Depending on the specific application, these pistons may also feature an accumulator groove to reduce combustion gas pressure, helping to prevent ring flutter and improve ring seal for consistent power delivery. Some applications also include a skirt coating designed to reduce friction and wear on the piston skirts and cylinder walls, which can also lead to quieter operation.

This set is designed specifically for the 5.4L 3V Modular engine, ensuring optimized performance and durability. The bore size is 3.701 inches, with a compression distance of 1.320 inches and a wrist pin diameter of 0.866 inches. Please note that this part is not CARB approved and cannot be shipped to California.