Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Intake Valve - +2.5mm Oversize -Set of 8

Shop automotive engine parts, cooling-system components, oil-system upgrades, ignition parts, pulleys, sensors, gaskets, fuel components, and engine-bay accessories at Black Ops Auto Works. This collection covers vehicle-specific replacement parts, performance upgrades, supporting hardware, and universal components for street cars, trucks, SUVs, Jeeps, diesel vehicles, off-road builds, and motorsport applications. Engine Parts and Performance Components The Engine collection brings together components used throughout the engine, lubrication system, cooling system, ignition system, fuel system, crankcase ventilation, accessory drive, and engine compartment. Available products range from replacement sensors and gaskets to rotating-assembly parts, performance cooling systems, supercharger pulleys, catch cans, cylinder heads, camshafts, intake manifolds, and engine-bay dress-up components. Engine compatibility cannot be determined from vehicle model alone. Confirm the exact year, make, ...

Shop Supertech engine-build components at Black Ops Auto Works. Explore intake and exhaust valves, valve-spring kits, guides, retainers, pistons and supporting hardware. Coordinate the selection with your engine builder’s measured specifications and complete cylinder-head or short-block plan.Intake and Exhaust Valve ChoicesChoose intake or exhaust valves by exact engine code, head diameter, stem dimensions, length, material and groove arrangement. Compare standard and oversized options using the cylinder head’s measured requirements. Coordinate any oversize selection with the builder’s machining plan, valve guides and seats before ordering the complete set.Valve Springs, Retainers and LocksBuild the spring package around the camshaft and the cylinder head’s measured installed height, pressures and clearances. Single, dual, beehive and conical springs have different mating-component requirements. Check whether the selected Supertech spring requires its specified retainer, seat or loc...