JE, Harley Davidson, 3.880 in. Bore, 2 Cyl. Kit

As the leader in forged racing pistons, JE Pistons has been at the forefront of V-Twin and Harley-Davidson piston performance for decades, with over 75 years of experience. JE?s carefully developed line of V-Twin pistons is engineered, forged and machined 100% in the USA and are designed for each specific engine and use application to provide the ultimate combination of durability and performance. From fun and powerful cruisers to all-out V-Twin drag racing, JE Pistons? performance is proven with every handful of throttle. Equip your bike with the best in forged pistons.