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, Subaru, FA20DIT Series, 3.386 in. Bore, 10.00:1, Dome, 4 Cyl. Piston Kit Subaru FA20DIT/FA20E/FA20F