Calico Coatings H-Series Main Bearing - 0.010 in Undersize - Coated - Small Block Ford Helmet Shield Lock For improved performance Landrum recommends

For improved performance Landrum recommends using (1) #LANLSS205 front bushing kit and (2) #LANLSS214 rear bushing kits

5" (W) x 1

so that it can be installed on a manifold machined for a 4150 or 4500 series carburetor

Kirkey 78 / 88 / 89 Series Seats

Calico Coatings H-Series Main Bearing - 0.010 in Undersize - Coated - Small Block Ford Helmet Shield Lock For improved performance Landrum recommendsProduct Description: Main Bearing H Series 0. 010 in Undersize 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.