The EK-4 S2 has stacked up an unprecedented reputation for rock throwing brute power coupled with excellent handling for a truck of this size. Specification: Front Kick-Up: 5? Front Caster: adjustable from 18? to 25? Rear Anti-Dive: 2? Rear Toe-In: 1?, 2? or 2.5? Wheelbase: 315mm ~ 320mm FR/RR Track: 295mm ~ 305mm/300mm Weight: 3200 g. / 7 lbs. w/engine, tuned pipe, servos Simply the biggest, meanest, baddest RC truck to ever roll its wheels on the road! The fire breathing terrain stomping EK-4 S2 eats all other trucks for breakfast! lunch, and dinner! With 4 oversize tires held by 7 shock absorbers with your choice of three fully painted and detailed truck bodies. Available now with such features as the completely new PRO-70BX nitro engine that has at least three times the displacement and output to that of the closest competition, a new head design, and new carburetor design for easy tuning, redesigned differential cases to handle even more torque along with a new engine starting backplate. Features Fully assembled. Requires radio unit w/ two high torque servos Heavy duty truck body, factory painted New PRO-70BX with new carburetor design and starting plate High performance manifold & tuned pipe Double layer foam air filter system Rigid chassis with front and side kick-up Composite front/rear chassis stiffeners 7 large, composite shocks (3 front/ 2 rear) Ball joint universal, front Center rigid axle with large steel main gear Double disc brake system Upgraded front/rear differentials Sealed receiver box with quick change battery clip Oversize truck wheels and tires Adjustable rear toe-in plates-front/rear camber-front caster-wheelbase Accessories Needed Radio Set - 2 Channel radio, x2 High Torque servos, Receiver and battery pack. Engine - PRO-70BX rear exhaust engine, 1.5V Glow Starter, 12V Fuel Pump, 12V Battery, 12V Electric Starter. Tools - Hobby knife and blades, Fine-point or felt-tip pen, Small phillips and flat head screw drivers, Wire cutter, Needle nose pliers, Lexan cutter/Scissors, Silicon oil.