This Clevite H-Series connecting rod bearing fits small block Ford V8 engines. It is a standard size, narrowed bearing and is sold individually. Clevite H-Series performance bearings use a medium level of eccentricity, high crush, a hardened steel back and a thin overlay, and are made without flash plating for better seating. They are intended for crankshafts with oversize fillets and for engines that run in the medium to high RPM range.
Specifications:
- Type: Connecting rod bearing, H-Series (sold each)
- Size: standard
- Design: narrowed
- Engine: small block Ford V8
- Part number: CB634HN
Engine Application: Small block Ford V8, including 221, 255, 260, 289 and 302 cubic inch engines.
FAQ
What engine does the Clevite CB634HN fit?
It fits small block Ford V8 engines. Confirm against your engine before ordering.
How many Clevite CB634HN bearings do I need?
It is sold individually, so order one for each connecting rod journal you are replacing. As a guide, a V8 uses eight connecting rod bearings.
What does H-Series mean?
H-Series is Clevite's performance bearing line. It uses a hardened steel back, high crush and a thin overlay, and is designed for medium-to-high RPM use and crankshafts with oversize fillets.
What does narrowed mean?
It refers to the narrowed bearing design listed for this part number. Confirm it suits your rods and crankshaft before ordering.
What size is this bearing?
It is standard size. Measure your crankshaft rod journals before ordering if the engine has been machined undersize.
