Main Bearings Parts

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Subaru STI - Main Bearings

Fitment Includes: 2004, 2005, 2006, 2007 Subaru STI


These little shells are some of the most important components in your engine. Whether it be main bearings or connecting rod bearings, these are the components that keep your crankshaft in motion. The only thing that separates a healthy engine from a blown engine is a thin film of oil that sits between the bearings and the crankshaft journals. Wild to think about, but if you have a poorly tuned engine, or if you have an engine that is poorly maintained with a lack of oil, you can lose oil pressure due to lack of lubrication and suddenly you will have metal on metal contact and you need a new motor. Whether if your main journals are still within spec, or if you have had to get some re-machined, we carry standard, undersized, and oversized units depending on what your machine shop recommends, or if you are simply performing a new rebuild.

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Main Bearings
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