499hp is actually old news they are getting over 600hp now. I think the spiderman is getting 1000hp.
Chassis:
'94 Race Visions
Wheelbase: 100 inch axle center to center
Weight: 1030 lbs
Fuel Usage: 4 gallons per run
Fuel Capacity: 6 gallon capacity
Aluminum body & carbon fiber body panels
Rear Tire Size: 14" x 31.5"
Performance Machine Brakes - 11" diameter rotors, front and rear
Trac Dynamics Forks
Engine:
1400cc Puma/Kawasaki
1000 Horsepower, estimated
70mm stroke, 83mm bore
6.4 compression
BME Rods (Bill Miller Engineering)
Kawasaki GPZ style Ward "Vortex" Cylinder Head
Puma crankshaft and case assembly
Dailey Engineerigng 3 stage dry sump oil system
Steve McBride engineered drive system
Belt Drives Ltd. Belt Drives
1 Gallon oil capacity
http://www.larrymcbride.com/bikespecs.htm