Calico Coatings H-Series Main Bearing - Standard - Extra Oil Clearance - Coated - GM LS-Series 4920903 each master cylinder weighs only

each master cylinder weighs only 3lbs

Vehicle Applications: 1957 thru 1981 Chevrolet Cars and Trucks 6/8 Cylinders

2009-2011 GMC Savana 2500

GM G-Body 1981-92

Their rockers are made from lightweight aluminum and anodized for increased durability

Calico Coatings H-Series Main Bearing - Standard - Extra Oil Clearance - Coated - GM LS-Series 4920903 each master cylinder weighs onlyProduct Description: Main Bearing H Series Standard Extra Oil Clearance Coated GM LS Series 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.