This Clevite F-Series connecting rod bearing fits the small block Chevy and GM LS-Series V8. It is a narrowed bearing in 0.001 inch undersize and is sold individually.
Specifications:
- Type: Connecting rod bearing, F-Series (sold each)
- Size: 0.001 in undersize
- Design: narrowed
- Quantity: sold individually
- Engine: Small block Chevy and GM LS-Series V8
- Part number: CB663FN1
Engine Application: Small block Chevy and GM LS-Series V8.
FAQ
What engine does the Clevite CB663FN1 fit?
It fits the small block Chevy and GM LS-Series V8. Confirm your engine and rod journal size before ordering.
Is the Clevite CB663FN1 sold as a set?
No, it is sold individually (each). A V8 uses eight connecting rod bearings, one per connecting rod, so order eight for a complete engine.
What does 0.001 undersize mean?
It is a bearing made 0.001 inch thicker than standard for a crankshaft whose rod journals have been ground 0.001 inch below standard size.
What does narrowed mean?
A narrowed bearing has reduced width to increase fillet clearance on the crankshaft, common in performance builds.
What do the letters in CB663FN1 mean?
This part is from the Clevite F-Series line; in the part number, N indicates a narrowed bearing.
