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.
Fitment Note: These connecting rods do not fit the OEM Subaru pistons.
Part Number: CRS5137S3D
Torque to 43 ft-lbs, ARP moly lube ONLY!
Highlights:
- bolts: 3/8″ ARP 2000
- material: forged 4340 steel
- center to center length: 5.137″
- pin size: 0.906″
- pin end width: 0.842″
- rod journal: 2.047″
- housing bore: 2.165″
- big end width: 0.842″
- typical weight: 530g
- bushed for full-floating piston pin