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
Reviews
There are no reviews yet.