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Special hollow dowels and huge 7/16" cap screw bolts greatly increase strength and horsepower capabilities
red and polished finishes
Mann-Hummel C301952
the microlapping all of the moving parts
Part Number: AF9202-400
Clevite H-Series Main Bearings CB-743HNC (CL CB743HNC) Distributor Caps & Rotors Special hollow dowels and hugeClevite 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
