15 plus horsepower & torque more than competing manifolds! Composite Plastic manifold 30� cooler than aluminium manifold. Weighs 9-11 lbs less than aluminium (Depending on model). Cast-in nitrous bosses. Modular design. Interchangeable Runners Dual distributor hold-downs. Reduce carburettor vibration 5% Rubber Viton Gaskets - No Leaks. Includes distributor clamp and 12pt 3/8" bolts and washers.
