King Subaru EJ20/EJ22/EJ25 Including Turbo STD OE Replacement Connecting Rod Bearing  MC Series incorporates a bi-metal structure with a steel back and strengthened Aluminum alloy, topped by a nano-composite polymer coating, referred to as K-340, having excellent anti friction & wear resistance properties. MC Lead-free bearings are well-suited for start-stop and hybrid engines that endure continuous metal-to-metal contact.
 
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