Fitment Information:
This set of connecting rods is a perfect fit for 2002 - 2005 Subaru WRX and 2004 - 2021 Subaru STI models. Please note that these rods can only be used in an EJ255 engine with an aftermarket piston that doesn't require a tapered connecting rod.
Features:
Manley Performance makes top - notch steel connecting rods in the Sport Compact industry. The Pro Series 'I' Beam is forged from 4340 aircraft - quality vacuum - degassed material. The 'Turbo Tuff' design is combined with 3/8' ARP 2000 cap screws. After machining, all rods are shot - peened and 100% magnafluxed. These Manley Pro Series Turbo Tuff connecting rods are trusted by top tuners in the US and beyond, used in some of the fastest, high - horsepower engines. All sets are weight - matched to ± 1.5 grams. The big and small end bores have a final honing tolerance of ± .0002'. Critical bend and twist are minimized, and every detail is carefully inspected. It's truly a first - class product. The set includes four connecting rods and is suitable for Subaru EJ205 and EJ257 engines.
Specs:
- Big End Bore: 2.165'
- Big End Width: .840'
- Center - to - Center: 5.141'
- Pin Bore: .9063'
- Pin Diameter: .905' (23mm)
- Weight: 613g
Using this Manley Turbo Tuff connecting rod set is straightforward. First, make sure your vehicle is a 2002 - 2005 Subaru WRX or 2004 - 2021 Subaru STI. If you're using it in an EJ255 engine, you need an aftermarket piston that doesn't require a tapered connecting rod. When installing, follow the standard engine assembly procedures. Be careful during the installation process to avoid any damage to the rods. As for maintenance, regularly check the rods for any signs of wear or damage. You can visually inspect them for cracks or excessive wear on the bores. If you notice any issues, it's best to replace the rods as soon as possible. Also, keep the engine clean and use high - quality engine oil to ensure the longevity of the connecting rods.
