KYO31227SB Madforce Kruiser ReadySet Nitro 4WD Monster Truck by Kyosho A 3-speed automatic transmission and rigid axle on the shaft drive 4WD recreates a real truck drive train to power the massive 160mm (6.2in) tires. Built tough for heavy duty action, the claws of this beast also keep the chassis steady on the ground. A 30mm longer wheelbase and lowered suspension delivers improved high speed stability and mid to high speed cornering performance. From parking lots to the wildest rough terrain, this machine can take on any type of conditions. The new KE25 engine is complimented with a new cooling head, tuned muffler and manifold for improved power efficiency and acceleration that delivers much more than just a hard running monster truck. This fully assembled Readyset represents the latest in truck capability and delivers the full monster truck package of power and performance. Features - Solid axles are equipped with front and rear differentials that feature machine cut steel spiral bevel gears in a shaft drive 4WD chassis that delivers spectacular drive power. - 30mm longer wheelbase compared to the original Mad Force and lowered suspension adds improved straight line and high speed cornering stability to the machines hard charging performance characteristics. - Optimal position of suspension arms at 1G delivers improved maneuverability while retaining plenty of suspension stroke. Addition of rib reinforcements increases suspension arm rigidity. - Features heavy duty big bore oil shocks as standard. Takes even the harshest punishment for long periods without complaint and provides excellent damping power. - KE25 engine is equipped with new black anodized head. GT muffler and welded manifold combine to deliver improved exhaust efficiency and power output. - Features new hot-rod truck body design. Pre-painted so you can enjoy the action in true truck style without delay.