HKS Nissan RB26DETT Pro Head Stud Kit

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 HKS exhaust systems, turbo and supercharger components, air intakes, intercoolers, blow-off valves, engine parts, electronics, and Hipermax suspension by exact manufacturer part number and verified application. Confirm the year, make, model, engine, chassis, system configuration, and package contents before ordering. HKS Product Families The collection includes Hi-Power and Legamax exhaust systems, GT turbo and supercharger kits, Super SQV blow-off valves, intercoolers, cold-air intakes, Hipermax coilovers, ignition and valvetrain parts, engine fluids, and HKS merchandise. Choosing the Correct HKS Part Match the exact HKS manufacturer part number Confirm the normalized year, make, and model plus every application note Verify engine, chassis, transmission, body style, emissions equipment, and existing modifications Confirm pipe diameter, flange, connector, sensor, mounting point, and included hardware Review calibration, supporting modification, professional setup, and local e...

Valve springs and retainers for high-RPM and boosted engine builds are stocked at Black Ops Auto Works. Shop dual and single valve springs, beehive-style valve springs, titanium and chromoly retainers, and matched spring-and-retainer kits for HEMI, LS, Coyote, K-series, EJ, and 2JZ platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 406 valve spring and retainer SKUs across spring rate, seat pressure, and material categories. What This Category Covers The Valve Springs, Retainers collection spans upgraded valve springs for higher lift camshafts, beehive-style springs for reduced valvetrain mass, and titanium retainers that shed weight from the reciprocating valvetrain. The catalog is strongest on Supertech valve springs and retainers for import four-cylinder builds, with broad coverage of dual spring kits for domestic V8 platforms running aggressive camshaft profiles. Cat...

Valves and valvetrain components for import, domestic, and performance engine platforms are stocked at Black Ops Auto Works. Shop intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, and lash caps for Toyota 2JZ and Supra, Honda K-Series, Nissan RB and SR20, BMW B58 and S58, Subaru FA20, Ford Coyote, and GM LS platforms. Every part is filterable by year, make, model, and engine so builders and tuners can confirm fitment before ordering. Black Ops Auto Works carries 1,391 valvetrain SKUs from proven performance brands. What This Category Covers Valves and valvetrain components manage airflow into and out of the combustion chamber and keep the valvetrain sealed and stable at high RPM. This collection spans intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and cam follower shims. Why the Valvetrain Matters for Pe...