ACL Rod Bearing High Performance Standard Size Set 48mm Journal Bearing WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models | 4B8320H-STD

When you're replacing rods and pistons, it's smart to swap out the rod bearings too. Good support from main bearings is super important. It stops oscillations and wear that can harm the crankshaft and other parts if the engine gets out of balance. ACL's top - quality rod bearings are built tough. They prevent fatigue and failure, and also reduce stress on the drivetrain. Know what you're buying: Subaru rod bearings come in 48mm or 52mm journal sizes. The journal size isn't based on the VIN or the year. You need to measure it before buying. Make sure you pick the right bearings because engine internal components can't be exchanged or returned.

Using these ACL rod bearings is straightforward. When you're working on replacing rods and pistons, just put these bearings in place. Remember, you need to measure the journal size before you buy. It's not related to the vehicle's VIN or year. As for maintenance, keep an eye on the engine's performance. If you notice any strange noises or vibrations, it might be time to check the bearings. Also, make sure to follow the regular engine maintenance schedule. And one important thing, since these are engine internal components, once you've installed them, they can't be exchanged or returned, so double - check your measurements before making the purchase.