This is the most highly anticipated product release in our 15 year history! We have successfully applied our race-winning experience to the R35 GT-R’s VR38 V-6 to bring you the pinnacle of GT-R engine blocks. Introducing the Alpha Performance R35 GT-R Pro Billet Series Block Upgrade! By developing an Alpha proprietary aerospace grade billet block we have engineered the strongest, most advanced block ever created for your GT-R. And, we have the world records to back it up. When looking for the ultimate engine block for your GT-R look no further than Alpha Performance.