FEATURES: Chassis: CNC machined hard coated 7075 aluminum .12"(3mmm) thick smooth bottom, machined on top so engine, fuel tank & differentials can sit lower into chassis, carbon fiber radio tray, front plate and center diff mounting plate Drive: Four wheel shaft drive Fuel Tank: 5.1oz (150cc) Transmission: Single speed Ball Bearings: Full set Shocks: Four oil filled 13mm big bore with 3.5mm shaft,(50wt oil) Shock towers: 4mm thick CNC machined aluminum shock towers Main Gear: 62 tooth, steel construction Clutch Bell: 13 tooth, steel construction with twin 5x10mm bearings Gearboxes: Sealed front and rear Universals: Front, rear and center universal drive shafts Differentials: Bevel gear type with 5000 and 10000 weight oils Brakes: Front and rear 3mm fiberglass disc Air Filter: High flow 2-stage Clutch: Lightweight blue anodized aluminum shoes (3 shoe) Engine Mounts: Adjustable hard anodized aluminum with cooling fins Wheels: Jammin white dish wheels with 17mm hex 3.46" (88mm) diameter 2.24" (57mm) wide Tires: Proline Crimefighter MT square pins with foam inserts Caster: Adjustable Camber: Adjustable Body: Clear polycarbonate Jammin' Truggy body Wing: White plastic construction INCLUDES: Ofna Jammin X1-CRT racing truck kit with tires, wheels, aluminum shocks, clear body, decals and illustrated instruction manual REQUIRES: Radio: 2-Channel with 2 Servos (high torque servo for steering recommended but not required) Radio Batteries: (8) AA size Engine: .21 w/rear exhaust and pilot shaft (if using a rear exhaust with full threaded shaft a pilot shaft must be purchased) Tuned Pipe and Manifold for Rear Exhaust Glow Starter: 1.2 volt Paint: Polycarbonate for body Misc. Items: Fuel bottle, building and track equipment SPECS: Length: 21.2" (530mm) Width: 19.9" (428mm) Weight: 9.2lbs (4173 grams) Wheelbase: 14.4" (366mm) Tread: 13.9" (353mm) Gearbox ratio: 3.3:1 Ride Height: 1.54" (39mm)