JayCee Fuel Line Tank Adapter, -6 Line Black

OVERVIEW

When you are pushing your air-cooled Volkswagen to the limit, the stock fuel delivery system is often the first bottleneck you will encounter. The JayCee Fuel Line Tank Adapter is the definitive solution for enthusiasts looking to modernize their fuel system without the headache of custom fabrication. This precision-engineered component replaces the restrictive stock fuel tank outlet, allowing you to transition seamlessly to a high-performance -6 AN plumbing setup. By upgrading to AN lines, you eliminate the risks associated with aging rubber hoses and traditional worm-gear clamps, ensuring a secure, leak-free connection that can handle the increased fuel demands of high-displacement engines, turbochargers, or sophisticated dual-carburetor setups. It is an essential foundation for any performance-oriented fuel delivery strategy.

Crafted with the meticulous attention to detail that JayCee Enterprises is known for, this adapter features a low-profile design that is crucial for maintaining proper clearance between the tank and the chassis. Space is always at a premium in the front trunk of a Beetle or the belly of a Ghia, and this adapter ensures that your hose ends have the room they need to route safely without rubbing or binding. The black anodized finish doesn''t just look professional and sleekit provides a hard layer of protection against the corrosive properties of modern ethanol-blended fuels. Each unit comes complete with a high-quality Syntheseal non-asbestos gasket, providing a superior seal that stands up to high-frequency vibration and thermal cycling far better than the original paper seals or copper crush washers ever could.

FITMENT

• Volkswagen Type 1 Beetle: 1950 through 1974 (Standard & Super Beetle with threaded tank outlets)
• Volkswagen Type 14 Karmann Ghia: 1956 through 1974
• Volkswagen Type 181 Thing: 1973 through 1974
• Volkswagen Type 2 Bus / Transporter: 1950 through 1967
• Custom Applications: Any aftermarket fuel cell or tank utilizing a standard M14 x 1.5 threaded outlet

SPECS

• Material: 6061-T6 Billet Aluminum
• Finish: Hard Anodized Black for corrosion resistance
• Inlet Thread: M14 x 1.5 (Standard VW Tank Thread)
• Outlet Size: -6 AN (9/16-18 Thread)
• Profile: Ultra-Low Profile CNC machining for maximum clearance
• Gasket Material: Syntheseal non-asbestos high-compression gasket included
• Manufacturer: JayCee Enterprises
• Part Number: JC-4562-0

PRO TIPS

1. Clean the Threads Thoroughly Before Installation

Before you thread the JayCee adapter into your tank, it is absolutely vital to clean the internal threads of the fuel tank outlet. Over decades, old fuel varnish, rust particles, and debris can accumulate in these threads. If you force the new aluminum adapter into dirty threads, you risk galling the aluminum or creating a micro-path for leaks. Use a small wire brush or a pick to clear the area, and follow up with a quick blast of brake cleaner. A clean mating surface ensures that the Syntheseal gasket can compress evenly, providing the airtight seal required for high-volume fuel draw.

2. Avoid Over-Torquing the Billet Aluminum

While the JayCee adapter is incredibly strong, it is still made of billet aluminum. One of the most common mistakes I see in the shop is "gorilla-tightening" AN fittings. Because this adapter uses a flat gasket rather than a tapered pipe thread, you don''t need excessive force to achieve a seal. Snug it down firmly until the gasket is compressed, but do not over-leverage it. Over-tightening can distort the gasket or put unnecessary stress on the tank''s bung. If you''re using a torque wrench, refer to standard aluminum-to-steel torque specs to prevent stripping the threads of your vintage gas tank.

3. Plan Your Hose Routing with 90-Degree Fittings

The beauty of this adapter is its low profile, which is specifically designed to work in tandem with AN hose ends. To make the most of your space, I highly recommend using a 90-degree -6 AN hose end immediately off the adapter. This allows the fuel line to run parallel to the bottom of the tank, keeping it tucked away from the steering box and suspension components. Always ensure you leave a small amount of slack in the line to account for body-to-chassis flex. Using a high-quality braided stainless steel or nylon-shielded line with this adapter will give your VW a professional, race-ready look while significantly increasing reliability over stock rubber lines.