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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Uses single bolt GM LME modified cam gear
The larger bore of the 6
comfortable
Clevite Main and Rod Bearings
35% polyester
5.3-5.7L Iron LS Engine Block ARP Head Studs Uses single bolt GM LMEBoostline Performance proudly introduces our premium line of machined 5. 3L GM engine blocks precision engineered for serious performance builders who demand reliability under extreme conditions. Perfect for the customer who wants to build their own engine and needs a good foundation to start with. Each block starts with a seasoned GM Gen 3 or 4 Iron 5. 3L foundation, then undergoes our proprietary machining process on state of the art Rottler CNC
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