2001-2016 Duramax SoCal Alternative Firing Order Camshaft (6480AF) 2018 - 2021 Ford Fuel Systems This Lower Ball Joint is

This Lower Ball Joint is designed specifically for heavy-duty use

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2001-2016 Duramax SoCal Alternative Firing Order Camshaft (6480AF) 2018 - 2021 Ford Fuel Systems This Lower Ball Joint is2001 2016 Duramax SoCal Alternative Firing Order Camshaft (6480AF) Extend the life of your crankshaft by changing the firing order of your engine. The OEM firing order ends with cylinder 3 and begins with cylinders 1 and 2. The result is a 3 1 2 hit to the crankshaft. Duramax cranks have a tendency to break right behind the first rod throw at the intersection of the second main journal, right where the 3 1 2 hit would stress the crankshaft the most.