Eagle's Subaru connecting rods are made from 4340 steel, x-rayed, magnafluxed, sonic tested, and shot-peened to ensure optimal quality and strength. They are packaged in weight-matched sets that are within +/- 1 gram end to end. The Eagle connecting rods for the STI undergo a 2-piece forging process in China and are then shipped to the US for final machining and testing; making for a cheaper rod that is durable and precise. Eagle's EJ257 STI rods include ARP 3/8in 2000 rod bolts for extensive ability to handle power and boost. 5.137in rod length.
ACL Race Main Bearing Set Standard Size Position 5 - 02-14 WRX / 04+ STI
$57.32$92.45
ACL's main bearings are made of a softer metal so that you don't wear out your crank or engine block. Additionally, a thin layer of oil lubricates the connection between...
ACL Race Rod Bearings Oversized +.001in - 02-14 WRX / 04+ STI
$34.57$55.75
The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. ACL bearings are designed to withstand higher RPM conditions....
The ARP Pro Series Main Bolt Kits are forged from premium 8740 chrome moly and all the bolts feature generous under-head radius and heat treating for utmost reliability. The threads...