STD Clearance, X Plus .001" Clearance
Clevite MS-1432H Series 351 Windsor SBF Clevite 77 H-Series 3″ Main Bearings
Clevite 77 H-Series Tri-Metal Main Bearing Set for the 351 Windsor 3″ Crank Small Block Ford. 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 Main 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.