The Nova Engines JTP X3B 3-Port Off-Road Nitro Engine Introducing the X3B JTP Edition, developed in Collaboration with Jared Tebo and built for racers who demand more than just power! Features: 15.94mm Bore 17.50mm Stroke 3-Port Layout with 4-Booster Exhaust Design DLC Coated Crankshaft Front and Rear Ceramic Bearings Lightweight Piston and Conrod Aerolite Turbo Backplate Triple Adjustment Carburetor Two Low-Profile Venturi (7mm, 8mm) Personalized JTP Cooling Head and Carburetor Ring PERFORMANCE Every detail is there for a reason ... Sharp Response, Smooth Rotation, Low Friction, More Flow, and more consistency when the race gets serious! This is not just a Special Edition, this is Jared Tebo's racing experience translated into Nova Engineering! Engine includes a Nova 5 Hot Glow Plug