Wiseco 130.5mm BoostLine Connecting Rods Subaru WRX 2002-2014 / STI 2004-2021 | SB5137-905

Fitment: These connecting rods are designed for 2002 - 2014 Subaru WRX and 2004 - 2021 Subaru STI, specifically for Subaru EJ20/EJ25 Turbo Engines. Key Features: The patent - pending 3 - pocket design is engineered for demanding turbocharged, supercharged, and big nitrous applications. They offer 60% more bending strength than common H - beam rods, making them perfect for high - horsepower engines. Each rod is designed, finished, and inspected in the USA and comes with an inspection report from Wiseco's quality team. The BoostLine rods combine the best of H - and I - beam rods, being relatively light without sacrificing strength. Other features include being designed for high - horsepower forced induction and nitrous use, having a 130.5mm profile, being machined from premium 4340 forged steel, including high - quality ARP Bolts, being inspected and finished in Mentor, Ohio, USA, and sold as a set of four.

Using these Wiseco connecting rods is straightforward. First, make sure your engine is a 2002 - 2014 Subaru WRX or 2004 - 2021 Subaru STI with an EJ20/EJ25 Turbo Engine. When installing, handle the rods carefully as they are precision - made. The set comes with high - quality ARP Bolts, so use them for a secure fit. As for maintenance, regularly check the rods for any signs of wear or damage. Since they are made from premium 4340 forged steel, they are durable, but it's still a good idea to have them inspected during routine engine servicing. Remember, these rods are designed for high - horsepower forced induction and nitrous applications, so make sure your engine setup matches their intended use.