-24%
Sold out
Click to zoom in
SKU: 16665 | UPC: 690092159962
Vibrant M18 x 1.5 Metric Aluminum Port Plug with Crush Washer - Universal for Performance Engines
This billet aluminum port plug seals M18 x 1.5 metric oil gallery ports on GM LS engines, Subaru WRX/STI, Ford Coyote, and other performance vehicles. The included crush washer compresses for a tight, reusable seal under high oil pressure. Ideal for oil cooler installs, sensor relocations, or blocking unused ports in custom builds.
Key Features
- Thread Specification: M18 x 1.5 metric threads match factory oil ports on LS-series V8s and EJ Subaru engines for direct fit without adapters
- Billet Aluminum Build: CNC-machined from lightweight 6061-T6 aluminum resists corrosion and adds minimal weight to rotating assemblies
- Crush Washer Seal: Pre-installed copper washer deforms on torque for zero leaks, even in high-vibration race conditions
- Anodized Finish: Type II anodizing protects against fuel, oil, and road chemicals for extended service life
- Professional Grade: Built to aerospace tolerances, used in drag racing and circle track applications worldwide
Product Notes
- Confirm port thread with calipers before purchase
- Replace crush washer on reinstalls to maintain seal integrity
- Packaged in anti-static bag to prevent thread damage
Installation Notes
- Professional installation recommended.
- Apply thread sealant to male threads if not using washer alone
- Torque to 22-25 ft-lbs. compatible with standard 18mm socket
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2013 | Chevrolet | Corvette | C5, C6 (LS1-LS7) |
| 1998-2002 | Chevrolet | Camaro | LS1 |
| 2010-2015 | Chevrolet | Camaro | SS (LS3) |
| 2004-2006 | Pontiac | GTO | LS1/LS2 |
| 2004-2021 | Subaru | WRX | STI (EJ25) |
| 2011-2023 | Ford | Mustang | GT (Coyote 5.0) |
| Universal | - | M18 x 1.5 Oil Ports | Any Metric Thread |
Why Choose Vibrant Performance?
- Earned trust of racing teams and builders globally for reliable oil system components
- Manufactured in USA with strict quality controls for consistent performance
- Complete lineup covers all fabrication and oiling needs from street to strip
Frequently Asked Questions
-
Q: Will this plug LS engine oil pressure ports?
A: Yes, directly replaces factory sensor in M18 x 1.5 ports on Gen III/IV LS1 through LS7 blocks for gauge or AN adapter installs -
Q: What is the crush washer made of?
A: Solid copper for high compression and reusability up to three cycles with proper torque -
Q: How difficult is installation?
A: Simple 5-minute job with 18mm wrench. no drilling or special tools required, but degrease port first for best seal
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact poly bag in 3 x 3 x 1 inch 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-...
View Fabrication Products
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...
View Fittings Products
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...
View Vibrant Products