Horsepower……………………………………620 @ 5500 RPM
Torque………………………………………………650 Ft. Lbs. @ 4500 RPM
Max. Recommended RPM…………6000 RPM
Compression Ratio…………………9.6:1
Block…………………………………………………New! Sportsman Tall Deck Bowtie Gen VI
                        10.200" deck height
Bore……………………………………………………4.560"
Stroke………………………………………………4.375"
Crankshaft……………………………………Forged 4340 steel
Connecting Rods………………………Forged 4340 steel, H-beam style, Shot peened
Pistons……………………………………………Forged aluminum, Full floating wrist pin
Piston Rings………………………………Plasma-moly rings
Camshaft…………………………………………Hydraulic roller
                        Valve lift: .632" I, .632" E
                        Duration @ .050" 254Ί I, 264Ί E
Lifters……………………………………………Hydraulic roller tappet
Cylinder Heads…………………………Aluminum rectangular port
                        118cc combustion chamber
Intake Valves……………………………2.25" Stainless steel
Exhaust Valves…………………………1.88" Stainless steel
Valve Springs……………………………Dual valve springs
                        1.540" coil diameter
                        1.800" installed height
                        197 Lbs. seat pressure
Spring Retainers……………………Hardened chromemoly steel
Rocker Arms…………………………………Aluminum roller rockers, 1.7:1 ratio
Push Rods………………………………………High performance one piece
Intake Manifold………………………New! Aluminum tall deck single plane
                        4150 series carburetor
Carburetor……………………………………850cfm, mechanical secondary
Rear Main Seal…………………………New! One-piece design
Windage Tray………………………………New! Screened and louvered
Damper………………………………………………High RPM torsional damper
Distributor…………………………………H.E.I.
Ignition Timing………………………36Ί total advance
Spark Plugs…………………………………R42XLS
Fuel……………………………………………………92 Octane