Manley Turbo Tuff I Beam Connecting Rods Subaru WRX 2002-2005 / STI 2004-2021 | 14416-4

Fitment Information: These Manley Turbo Tuff I Beam connecting rods are 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 need a tapered connecting rod.Features: Manley, in business since 1966, is a well - known name in producing aftermarket and OEM engine internals, supplying cars like the Ford GT. Their Turbo Tuff line of connecting rods is top - notch. These rods are made from forged 4340 aircraft - quality vacuum - degassed material and machined in - house in the USA for the highest quality. After machining, each rod is shot - peened and magnafluxed. The bores are perfectly round with no taper, and they use APR 2000 cap screws for ultimate strength. They are sold as a set of four and are 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. Manley Pistons can be purchased separately here at IIR.

Using these Manley Turbo Tuff I Beam connecting rods is straightforward. First, make sure your Subaru WRX (2002 - 2005) or STI (2004 - 2021) engine is in good condition. If you're using them in an EJ255 engine, remember to use an aftermarket piston that doesn't need a tapered connecting rod. When installing, follow the standard engine installation procedures. Keep in mind that these rods come as a set of four. As for maintenance, regularly check the engine oil to ensure it's clean and at the right level. This helps keep the rods lubricated and in good working order. Also, keep an eye on the engine's performance. If you notice any unusual noises or vibrations, it might be a sign to have the rods inspected. And don't forget, you can buy Manley Pistons separately to complete your engine upgrade.