conventions that would meet the performance challenge. The TRX 3.3 Racing Engine draws from a legacy of precision Traxxas engine design and manufacturing. Traxxas has always been at the forefront of innovation, beginning with the powerful and reliable TRX® Pro.15. Next, the Traxxas EZ-Start® system ushered in a new era of convenience and ease of use with true, push-button electric starting. EZ-Start later evolved to incorporate built-in diagnostic functions, LED indicators, a constant-voltage glow plug circuit, and more powerful starter motors. Then came the TRX 2.5, a marvel of award-winning power and technology that set the bar for Ready-To-Race® performance to unimaginable new heights. Fast forward to the present (2...  (less)

/ / SPECS: Front Bearing: 7mm x 17mm (5mm thick) / Rear Bearing: 12mm x 21mm (5mm thick)  (less)

entire MBX Chassis. Black anodized aluminum contrasts with a white high down force rear wing, white dish wheels and white springs on the 16mm super big bore shocks. A special black cooling head resides on top of a 3-port Picco BAS engine completing the sinister look. You only find this kind of versatility, style and performance when industry powerhouses like OFNA and Picco get together on a project of this magnitude. Features Picco BAS .21 Engine Hard Coated Kick-Up Chassis Pivot Ball Suspension 16mm Super Big Bore Shocks Hi Down Force Wing Complete Radio System Installed High Grip Tires Preglued to White Dish Rims Aluminum Tuned Pipe and Header Fully Adjustable Suspension  (less)

a race-proven engine that is capable of producing world-class power and fuel economy with a driverfriendly linear power band. • 3+1 Port Chrome Plated Cylinder • High Silicon CNC Machined Piston • Knife Edged 7075 Aluminum Connecting Rod • Polished Turbo Scoop Crankshaft with Silicone Insert • Chrome Plated Back Plate with Turbo Scoop • Precision Ball Bearings • Lightweight Machined Aluminum Heatsink Head • Oversized Finned Turbo Head Button • Thermo Insulated Screw Mounted 2-Needle Carburetor • 7.0mm, 8.0mm, and 9.0mm Air Restrictors  (less)

to make the jump to high-speed, high-performance nitro power—top speed, 38+mph! Traxxas professional factory assembly along with our exclusive EZ-Start® push-button electric engine starting gets you from the box to the back yard in just minutes. Nitro Sport’s TRX Pro .15 engine delivers proven power and reliability, and features an easy-to-tune two-needle carburetor and free-breathing tuned pipe for maximum speed and power. Nitro Sport is fully equipped for the race track with features that include an adjustable slipper clutch, oil-filled Ultra Shocks™, full ball bearings, and a powerful disc brake. Nitro Sport is fully assembled and Ready-To-Race® with an installed, high-power pistol-grip radio syst...  (less)

piston expansion and more consistent performance / / == Specs == / / * Type:2-Stroke / * Displacement:1.24 cu in 20.31cc / * Bore:1.20 in (30.48mm) / * Stroke:1.10 in (27.94mm) / * Cylinders:Single / * Total Weight:29.5 oz (839 g) / * Engine (Only) Weight:24.5 oz (695 g) / * Muffler Weight:5.0 oz (142 g) / * Crankshaft Threads:5/16 to 24 / * Prop Range:14x616x10 / * RPM Range:16009500 / * Fuel:15% Nitromethane / * Mounting Dimensions:25 x 46mm / * Muffler Type:Cast / * Cylinder Type:Ring / * Carb Type:Barrel, 2 needle / * Crank Type:Ball Bearing  (less)

room for easy tuning Ports timed for competition use Extra-strong connecting rod specifically designed for .30-sized engines Flow-optimized backplate Blue anodized 7.5, 8.5, and 9.0mm venturi inserts 7+1 ports Rear exhaust Specifications Displacement .30 (4.92ccm) Max. RPM 38,300 Max. Power 4.21HP  (less)