Clevite Engine Parts SH290S P-Series Small Block Chevy Cam Bearings
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Not to be confused with standard "passenger" car bearings, Clevites P-Series is their oldest line of premium high performance bearings.
- Use P-Series rod bearings where extremely high RPM’s cause severe rod bore close-in.
- Use P-Series main bearings where higher eccentricity is desired to narrow bearing contact patterns and to provide increased oiling to rod bearings.
P-Series Features (Link)