975hp, 555ci BBC Engine, Naturally Aspirated, Mechanical Cam, Pump Gas, EFI

Looking for a naturally-aspirated Big Block that is super-solidly built to last for years of drag racing excitement?  Want pump gas friendly?  Take a look at this beauty. The foundation is rock solid - Dart Sportsman block (4.560" bore), Callies Magnum crank (4.250" stroke) with Ultra Enforcer I-beam rods and Diamond pistons.  These  high-quality, American-made parts can handle lots of power.  When combined with our stat-of-the-art CNC machining and expert assembly, you'll get the longevity, durability and consistency that you've been looking for.  Be sure to check out the machining videos below to see how we build yor engine.  Let's look at the top end. We use Dart Pro1 heads on this build that we have CNC'd on our 5-axis from a porter casting to our unique design. The COMP mechanical cam is custom designed for this specific engine and makes full use of the Jesel Pro Aluminum shaft rockers.  Topping the long block is an Edelbrock Super Victor II intake manifold and Holley Holley Snipe