Seller notes

New Boundary Racing billet engine oil pump gears upgrade for 2007-2014 Ford Mustang Shelby GT500 with supercharged 5.4 and 5.8 Dohc 4V engines Boundary oil pump gears are 100% manufactured in our Dallas, Texas production facility. We start by quenching our chromoly billets from extreme heat and then temper it to tough indestructible core. After machining we apply our ColdFlow surface hardening process and complete it to a Mirror Finish. What does all this give you? It gives you a pump with stabi...

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