Calico Coatings H-Series Connecting Rod Bearing - 0.001 in Undersize - Coated - Small Block Chevy CB1798H1 4704021-20-XL Designed for high-vacuum applications

Designed for high-vacuum applications

Product Description: Setup Blocks

625 in Head

cross flow vent design & includes new pin drive shaft seals and installation hardware

Designed to work with GM Throttle body P/N's - 12570790 and 12580760

Calico Coatings H-Series Connecting Rod Bearing - 0.001 in Undersize - Coated - Small Block Chevy CB1798H1 4704021-20-XL Designed for high-vacuum applicationsProduct Description: Connecting Rod Bearing H Series 0. 001 in Undersize Coated Small Block Chevy Sold Individually 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.