Calico Coatings H-Series Main Bearing - Standard - Extra Oil Clearance - Coated - Small Block Ford SPBM4 Not a stock replacement

Not a stock replacement

Premium Quality Injection Molded Plastic

Mud Buster

BlackBox BNC Adapter

Supporting the drive shaft in both the housing and the cover eliminates dynamic shaft deflection at increased RPM levels

Calico Coatings H-Series Main Bearing - Standard - Extra Oil Clearance - Coated - Small Block Ford SPBM4 Not a stock replacementProduct Description: Main Bearing H Series Standard Extra Oil Clearance Coated Small Block Ford Calico coated bearings are coated with their CT 1 Dry Film Lubricant coating. CT 1 is specifically engineered to withstand the extreme conditions of today's high performance engines. Professional engine builders enjoy a higher level of confidence with increased embed ability, strength and durability.