BY THE NUMBERS
SKMFX ENGINES 471 MOPAR
Bore: 4.375 inches
Stroke: 3.915 inches
Displacement: 471 actual cubic inches
Compression ratio: 11.4:1
Camshaft: COMP Cams solid roller
Cam duration: 269/269 degrees at .050-inch
Valve lift: .752-/.708-inch
Rocker ratio: T&D Shaft 1.6/1.5 ratio
Top ring: 1/16-inch, Mahle/Clevite
Second ring: 1/16-inch, ductile iron
Oil ring: 3/16-inch, low tension
Piston: KB Pistons, flat top
Block: OEM 400 B-block
Crankshaft: 440 Source
Rods: Scat 6.385-inch BBC
Cylinder head: Edelbrock Victor
Intake valve diameter: 2.25-inch
Exhaust valve diameter: 1.81-inch
Intake manifold: Weiand tunnel ram
Carburetor: two Holley HP 1000 carbs
Header: Hooker B/E body with 2-inch primaries
Ignition: MSD 7AL2