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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Multiple Size Options
Each casting is thoroughly inspected
Note: Do Not Use Factory Head Bolts
(Always verify cylinder location before installation
Right-hand LB7 ported and polished cylinder head
2001-2016 Duramax H Series Main Bearings (Std) pdm-59lbec Multiple Size Options2001 2016 Duramax H Series Main Bearings (Std) These H and HX Clevite bearings were developed primarily for use in NASCAR type racing but are suitable for all types of competition engines. H series bearings have a medium level of eccentricity, high crush and rod bearings have a hardened steel back and thin overlay. These bearings also have enlarged chamfers for greater crankshaft fillet clearance and are made without flash plating for better seating.
