Clevite H-Series Coated Main Bearing Set - Extra Oil Clearance - Standard - Small Block Chevy Flapper Valve Loop is designed to fit

Loop is designed to fit inside factory tunnel and work with most driveshafts up to 4" in diameter

Manufactured from 1x1

Single stage controllers turn on at 180

1963-1966 Buick Wildcat

Clevite H-Series Coated Main Bearing Set - Extra Oil Clearance - Standard - Small Block Chevy Flapper Valve Loop is designed to fitClevite H Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range. Product Description: Main Bearing H Series Standard Extra Oil Clearance Coated Small Block Chevy Clevite engine bearings have an