JE Pistons BMW S50B30US 3.406 Bore Inv. Dome 11.5:1 CR (Single Piston)

JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports. JE, BMW, S50B30 USA, 3.405 in. Bore, 11.50:1, Inverted Dome/Dish, Single Piston BMW M3 Base United States S50B30 USA