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, Chevrolet, Big Block Chevrolet, 4.320 in. Bore, 1.645 CD, Dome, 8 Cyl. Piston Kit Chevrolet Big Block 427
