Eagle ESP H-Beam Forged Connecting Rods for Subaru EJ18 EJ20 EJ22. By utilizing forged 4340 steel, ARP 2000 fasteners, and state of the art machining system, these con-rods are made of the highest quality and built to be abused. Can witstand more than 500whp and good for any built engines. Eagle are one of the best manufacturers for forged rods and other high quality internal engine parts. Specs ESP H-Beam design Length Stock Forged 4340 Steel 3/8" ARP 2000 Fasteners