Clevite H-Series main bearings were developed primarily for NASCAR racing, but are well suited to other types of competition engines as well. They're especially good for engines that run at medium-to-high revs. They have steel backings with carefully selected overlays and a high crush factor, plus a medium level of eccentricity. H-Series bearings have enlarged chamfers at the sides for greater crank-fillet clearance and are made without flash plating for better seating.
Bearing Usage Performance Grooved Bearing Yes Groove Location Upper Groove Style 1/2 Bearing Material Tri metal, TM-77 Quantity Sold as a set of 5.
Note: Requires Thrust Washer Set, Not Included, Use TW-611-S