The Race Solutions LSA Upgrade Stage 4 Contains a Custom Grind Cam Shaft, Dual Valve Springs, Moly Pushrods, 3 Bolt Cam Sprokert and ARP Sproket Bolts.

The Race Solutions Stage 4 LSA Power Upgrade Kit takes our Stage 3 Kit and adds a Race Solutions Custom Grind Camshaft Kit that will unleash more power from your 6.2L Supercharged LSA Engine, Changing the characteristics of the engine will allow you to experience a massive midrange and top end power increase and that cranky idle that will make it sound like a V8 should, We combine this with a Custom Race Solutions Dyno Tune to achieve Maximum Power Output.