Fitment Information:
These connecting rods are a perfect fit for 2002 - 2005 Subaru WRX and 2004 - 2021 Subaru STI models. Note that they can only be used in an EJ255 engine with an aftermarket piston that doesn't need a tapered connecting rod.
Features:
- Made from 4340 aircraft - quality vacuum - degassed material, ensuring high strength and durability.
- After machining, they are shot - peened to MIL spec and 100% individually magnafluxed for quality control.
- Specifically engineered to handle high - horsepower applications when using turbos and/or nitrous.
- Equipped with 3/8' ARP 2000 fasteners for reliable performance.
- Capable of handling a flywheel horsepower range of 1,000+.
- Suitable for Subaru EJ205 and EJ257 engines.
- Sold as a set of four (4) connecting rods.
Specs:
- Center - to - Center: 5.216' (.079' / 2mm longer)
- Big End Bore: 2.165'
- Big End Width:.840'
- Pin Diameter:.9055' (23 mm)
- Pin Bore:.9063'
- Gram Weight: 605
Manley Pistons can be purchased separately at IIR.
Using these Manley connecting rods is straightforward. First, make sure your vehicle is a 2002 - 2005 Subaru WRX or 2004 - 2021 Subaru STI. If you're using an EJ255 engine, remember to use an aftermarket piston that doesn't require a tapered connecting rod. When installing, follow the standard procedures for connecting rod installation. As for maintenance, keep an eye on the fasteners to ensure they are tight. Periodically check for any signs of wear or damage. You can clean the rods with a mild engine cleaner and a soft brush. If you notice any issues, it's best to consult a professional mechanic. And don't forget, you can buy Manley Pistons separately to complete your engine setup.
