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Our EFX MAX Package is the end all be all for your full size truck.  This package includes all of the components of our Stage 2 Performance Package but add our custom truck camshaft, BTR .660" spring kit, 11/32" pushrods, install kit with AMP VVT lock out kit, and DoD Delete kit (Katech Valley Cover, ARP Head Studs, Head Gaskets, and LS7 Lifters and Lifter Trays). This package is proven and has made over and delivers a great power increase over our stage 2 while giving the truck that aggressive exhaust note you've always wanted! This package starts at only $7,155.55 with parts, installation, and tuning.