Profile: Speed & Truck World offers engine components and suspensions. We also provide truck exterior, safety apparel, lighting, exhaust/headers/mufflers, air intakes, wheels/tires, programmers/chips and drive train. Our engine components include camshafts, cylinder heads & valve train, gaskets, fuel system, nitrous kits/parts, spark plug wires, complete engines, engine management harness/electrical, 4 ply silicone connectors, harmonic balancer/underdrive pulley and fittings.