JE Pistons BMW S50B30US 86.25mm Bore 12.5:1 KIT Pistons Set of 6

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, 3.396 in. Bore, 12.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit BMW M3 Base United States S50B30 USA