well that add has a lot more mods listed. with the titanium valve and connecting rod parts they must rev it high.
Anyways, I don't have the experience to comment further.
Roush Built 302 Ford Saleen Supercharged Coyote Ford engine Just gone through
Block Aluminum 4.6-liter
Rods Titanium Cracked powdered metal with floating wristpins
Pistons Hypereutectic aluminum
Lifter Jesel Solid Body Hydraulic Rollers SOHC, three Ferrear titanium valves per cylinder, variable camshaft timing
Intake Composite shell-welded single-runner, charge motion control valves
Throttle Body Dual 80mm GT500
Mass Air 90mm Lightning
Power Adder -Custom Saleen Series VI twin-screw supercharger
Fuel System 2-GT500 fuel pumps, 39-lb/hr injectors
Headers Bassani long-tube stainless steel headers
Exhaust Bassani X-shape crossover w/high-flow cats, and Bassani after-cat with race mufflers