Industrial Injection Duramax Alternate Firing Billet CamshaftsIndustrial Injection Duramax Alternate Firing Billet Camshafts Unlock smoother operation, stronger power delivery, and enhanced durability in your Duramax engine with Industrial Injection Alternate Firing Billet Camshafts. Designed for high performance street trucks, towing applications, and competition builds, these billet camshafts feature an optimized alternate firing order that improves cylinder balance, reduces harmonics, and increases valvetrain
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