This Clevite P-Series connecting rod bearing is a 0.020 in undersize bearing for Ford small block V8 engines. P-Series bearings use a tri-metal design with higher load capacity than bi-metal bearings. As the most versatile Clevite replacement, they suit most OE applications and rebuilds where more demanding use is expected, such as heavy duty, motorsports or street performance. It is sold individually.
Specifications:
- Type: Connecting rod bearing, P-Series (sold each)
- Bearing material: TM-77 tri-metal
- Dowel pin hole: no
- Narrow bearing: no
- Size: 0.020 in crankshaft undersize
- Engine: Ford small block V8 engines
- Part number: CB831P20
Engine Application: Ford small block V8 engines, including the 351W.
FAQ
What engine does the Clevite CB831P20 fit?
It fits Ford small block V8 engines, including the 351W.
Is this sold as a set?
No, it is sold individually (each). A V8 uses eight connecting rod bearings, so order eight for a complete engine.
What does the 20 in CB831P20 mean?
It marks a 0.020 in undersize bearing, made for a crankshaft whose journals have been ground 0.020 in under standard. Measure the journals before ordering.
What does P-Series mean?
P-Series is Clevite's tri-metal replacement bearing line. It has higher load capacity than bi-metal bearings and suits most OE applications as well as rebuilds where more demanding use is expected.

