SBF 302/SBC 2.100″ Journal Extra Narrow Clevite 77 H-Series Rod Bearings CB-1227H / CB-1227HX Series

Clevite 77 H-Series Tri-Metal Connecting Rod Bearing Set – This PN was designed for Chevy V6 engines, but we use them for SBC and SBF applications with a 2.100 SBC Journal Diameter, but retaining the narrower SBF .831” big end rod width found in 302 based cranks (Narrower than the typical SBC CB-663 Bearing).

Narrowed for clearance with aftermarket high performance crankshafts with larger fillet radius. Suitable for all forms of racing engines, H-Series bearings offer a medium level of eccentricity, a high crush factor with hardened steel backs and thin bearing overlay.

H-Series rod bearings have a Babbit outer layer, a copper-lead alloy second layer and a precision steel back capable of carrying loads up to 12,000 PSI. H-Series Clevite Bearings are likely the most frequently use for high performance / general racing applications. This is typically the bearing type we will recommend in almost all situations.