









🔐 Secure your fuel, secure your peace of mind.
The Flow Security Systems FSS-377 is a vented locking fuel tank cap crafted from case-hardened, zinc-plated carbon steel. Designed for universal 2" male threaded tanks, it features a built-in pressure vent valve, a leak-resistant gasket, and a stainless steel retaining chain. Engineered for durability and theft prevention, it’s the ultimate upgrade for commercial and mobile fuel tanks.
| Brand | Flow Security Systems |
| Color | Silver zinc plating |
| Material | Zinc plated carbon steel |
| Exterior Finish | Chrome |
| Item dimensions L x W x H | 3.25 x 4 x 3 inches |
| Vehicle Service Type | All Vehicle Types |
| Style | Male 2" Std Thead |
| Item Weight | 1.6 Pounds |
| Automotive Fit Type | Universal Fit |
| Manufacturer | Flow Security Systems, Inc. |
| Model | FSS-377 Vented Locking Fuel Tank Cap |
| Item Weight | 1.6 pounds |
| Product Dimensions | 3.25 x 4 x 3 inches |
| Item model number | FSS376-M |
| Manufacturer Part Number | FSS377-M |
| Special Features | Durable and corrosion resistant. Prevent theft of valuable fuel and tank contents. |
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