ACL Rod Bearing High Performance 0.50mm Oversized Set 48mm Journal Bearing WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models | 4B8320H-.50

When you're working on rods and pistons, it's smart to replace the rod bearings too. Good support from main bearings is key to stop oscillations and wear. If the engine gets out of balance, it can harm the crankshaft and other parts. ACL's top - quality rod bearings are designed to be durable and strong. They prevent fatigue and failure and reduce stress on the drivetrain. Remember, Subaru rod bearings come in 48mm or 52mm journal sizes. The journal size isn't based on the VIN or year; you need to measure it before buying. Make sure you pick the right bearings as engine internals can't be exchanged or returned.

How to use: When you're replacing rods and pistons in your 2002 - 2014 WRX or 2004 - 2021 STI Subaru Turbo model, simply swap out the old rod bearings with these ACL ones. Before installation, double - check the journal size to ensure it's a proper fit. Attention: Measure the journal size accurately. Engine internals are non - returnable, so getting the right size is crucial. Don't rely on the VIN or year to determine the journal size. Maintenance advice: Keep an eye on the engine's performance. If you notice any unusual noises or vibrations, it might be time to check the rod bearings. Also, follow the regular engine maintenance schedule recommended by Subaru to keep the bearings in good condition.