This Clevite H-Series connecting rod bearing fits the small block Chevy and GM LS-Series V8. It is a narrowed bearing in 0.020 inch undersize and is sold individually. Clevite H-Series performance bearings use a tri-metal construction.
Specifications:
- Type: Connecting rod bearing, H-Series (sold each)
- Size: 0.020 in undersize
- Material: tri-metal
- Design: narrowed
- Quantity: sold individually
- Engine: Small block Chevy and GM LS-Series V8
- Part number: CB663HN20
Engine Application: Small block Chevy and GM LS-Series V8.
FAQ
What engine does the Clevite CB663HN20 fit?
It fits the small block Chevy and GM LS-Series V8. Confirm your engine and rod journal size before ordering.
Is the Clevite CB663HN20 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 0.020 undersize mean?
It is a bearing made 0.020 inch thicker than standard for a crankshaft whose rod journals have been ground 0.020 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 CB663HN20 mean?
H-Series is Clevite's performance bearing line; in the part number, N indicates a narrowed bearing.
