H Series Main Bearing Set .001" With Xtra Clearance CLMS590HX STD Product:H Series Main Bearing Set .001" With Xtra Clearance 12-Point Head S/S 612-4000 AR612-4000

12-Point Head S/S 612-4000 AR612-4000 5/16" UNC x 4

Designs And En gineering

Sold in pairs

D x 7-5/8"

H Series Main Bearing Set .001" With Xtra Clearance CLMS590HX STD Product:H Series Main Bearing Set .001" With Xtra Clearance 12-Point Head S/S 612-4000 AR612-4000H Series Main Bearing Set . 001" With Xtra ClearanceSuit SB Ford 289 302 & 5. 0L Windsor CLMS590HX STD MS590HX STD H Series Bearings These bearings are identified by a letter H in the part number suffix. Part numbering is based on the same core number as the standard passenger car parts for the same application. These bearings were developed primarily for use in NASCAR type racing, but are suitable for all types of competition engines. H series