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SKU: 10289 | UPC: 690092137465
Vibrant -4AN to 1/8in NPT Oil Restrictor Fitting Kit
This Vibrant Performance kit converts -4AN oil lines to 1/8in NPT ports for precise oil delivery to turbos in any performance vehicle. It includes two brass jets to adjust flow rates limiting excess oil that can damage turbo seals. Ideal for custom turbo setups on street or race cars.
Key Features
- 6061 Aluminum Construction: Lightweight durable body resists corrosion handles high pressure in oil systems
- Two Brass Jets Included: 0.035in and 0.040in orifices allow flow adjustment based on turbo size and engine demands
- -4AN Male to 1/8in NPT Male: Direct fit for common turbo oil feed lines and block ports no adapters needed
- Oil Flow Restriction: Reduces oil volume to turbos preventing seal blowout and oil drainback issues
- Threaded Design: Secure installation with O-ring seals for leak-free performance under boost
Product Notes
- Choose jet size by testing smaller orifice first for your setup
- Inspect and clean fittings before installation to avoid contamination
- Compact kit fits easily in toolbox ships in protective packaging
Installation Notes
- Professional installation recommended.
- Thread restrictor into 1/8in NPT oil port apply thread sealant if needed
- Compatible with standard AN hose ends and turbo oil inlets
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Turbocharged Vehicles | All |
Why Choose Vibrant?
- Proven in drag racing and circle track applications
- Machined from aircraft grade aluminum and brass
- Designed by engineers for reliable oil control
Frequently Asked Questions
-
Q: What vehicles does this fit?
A: Universal design works on any turbo setup with -4AN oil lines and 1/8in NPT ports including custom builds imports domestics -
Q: What materials are used?
A: Body is 6061-T6 aluminum jets are solid brass for strength and precision flow control -
Q: Is installation difficult?
A: Simple thread-in process takes minutes torque to spec and connect AN line no welding required
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: 4 x 4 x 1 inches protective box
- Weight: 0.05 lbs
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
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Fittings
AN, NPT, and metric fittings for fuel, oil, cooling, brake, power steering, and intercooler systems are stocked at Black Ops Auto Works. Shop hose ends, swivel fittings, bulkhead adapters, elbow fittings, unions, tees, reducers, port plugs, banjo fittings, and thread adapters for HEMI, Hellcat, Trackhawk, TRX, LS, LT, Coyote, EcoBoost, 2JZ, and turbocharged or supercharged builds. Every product is filterable by size, thread type, and application so the correct fitting ships the first time. Black Ops Auto Works carries 2,252 fitting SKUs across AN hardware, NPT adapters, banjo fittings, and specialty plumbing hardware. What This Category Covers The Fittings collection covers the connective hardware that joins hoses, hard lines, and components across fuel, oil, cooling, brake, and forced induction plumbing. Fittings determine whether a fluid system stays leak free under the pressure, heat, and vibration loads found in performance street and race applications, so correct thread typ...
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Vibrant
Vibrant Performance parts for custom exhaust, turbo builds, and fabrication projects are stocked at Black Ops Auto Works. Shop clamps, V-band flanges, mandrel bends, silicone couplers, wideband bungs, catalytic converters, resonators, tips, mufflers, oil catch cans, AN fittings, hoses, wastegate flanges, and fuel system fittings for street, race, drift, and off-road builds. Every product is filterable by size, material, and fitting type so the correct part ships the first time. Black Ops Auto Works carries 3,096 Vibrant Performance SKUs across exhaust fabrication, forced induction plumbing, and fuel system hardware. What This Brand Covers Vibrant Performance manufactures exhaust and fabrication parts for DIY custom exhaust, turbo builds, and general fabrication work. The catalog spans stainless mandrel bends and V-band flanges for exhaust construction, silicone couplers and hump hoses for intercooler and intake plumbing, and AN fittings and PTFE hose for fuel and oil systems. Fa...
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