Basic Engine Specs:
Size:508 ci
Bore:4.421-inch, Dart block
Stroke:4.140-inch, Eagle crank
Rods:6.300-inch, Eagle
Compression ratio: 12.5:1 compression, Ross pistons
Heads:Brodix-4 Extra
Intake:Edelbrock
Carb:1100 Pro Systems Holley
Camshaft:Comp, 256/268-duration, 0.850-inch lift, 108 LSA
Score:1,260.33
Top horsepower:834 at 6,300 rpm
SOURCE
BES Racing Engines
78 Harrison Brookville Road, Dept. PHR
West Harrison
IN  47060