The Clevite CB-1990P-.25MM P-Series Rod Bearing a great upgrade for the machined crank or rods in your 2001-2016 GM 6.6L Duramax. The Clevite P-Series bearing have high crush for exceptional retention and reduced overlay thickness to decrease hen tracking, otherwise called overlay fatigue.
This Clevite CB-1990P-.25MM P-Series Rod Bearing features a hardened steel back for added toughness, and fights to reduce fretting and should be used where high RPMS can cause catastrophic rod bore close in. This is generally determined by nearly full parting line to parting line shaft contact with bearings having less consistency. Sold Individually.
- Hardened Steel
- Sold Individually
- Size: .25MM Undersized
- Clevite P-Series Bearings
Use With Connecting Rods Marked With "A"
Undersized Bearings Can Be Used But The Crankshaft Must Be Rehardened With Nitride Heat Treatment