This Clevite P-Series main bearing set is sold as a kit for GM inline-6 engines. The set is 0.020 in undersize. P-Series is Clevite's production (OE-style) bearing line.
Specifications:
- Type: Main bearing set (sold as a kit)
- Series: P-Series
- Size: 0.020 in undersize
- Engine: GM Inline 6
- Part number: MS617P20
Engine Application: GM inline-6 engine (as listed). Confirm against your engine before ordering.
FAQ
What engine does the Clevite MS617P20 fit?
It is listed for GM inline-6 engines. Confirm against your engine and crankshaft before ordering.
What does the MS617P20 part number mean?
It is a Clevite P-Series main bearing set in 0.020 in undersize. P-Series is Clevite's production (OE-style) line.
Is this sold as a kit or as individual bearings?
It is sold as a main bearing set (kit). One kit covers the engine's main journals, so order one kit per engine.
What does undersize mean?
Undersize bearings are made for crankshaft journals that have been machined smaller than stock. This set is 0.020 in undersize, so confirm your journal measurements before ordering.

