JE Pistons FA20 - 4UGSE 9.5:1 KIT Set of 4 Pistons

This JE Pistons kit gives you everything you need to rebuild your FA20 engine with high-performance forged pistons. Inside this box, you'll find a full set of four pistons, along with high-quality wrist pins, locks, and JE's Pro Seal premium piston rings. These aren't just off-the-shelf parts; JE Pistons has over 75 years of experience crafting pistons specifically for demanding racing and performance applications, and this kit is built for your specific engine.

JE Pistons uses a proprietary forged side relief (FSR) design, which helps minimize friction and power loss by reducing skirt width. They're forged in the USA from 2618 aluminum, a material known for its high tensile strength, making these pistons well-suited for high-demand performance builds. Depending on your specific application, these pistons may also feature an accumulator groove to help reduce combustion gas pressure and improve ring seal, and a skirt coating to reduce friction and wear on the cylinder walls, which also helps quiet down operation. This kit is designed for a 3.425-inch bore with a 9.50:1 compression ratio, featuring an inverted dome/dish design.

This is a complete piston kit, engineered and manufactured 100% in the USA. Please note that this kit is not CARB approved and cannot be shipped to California.