If you’re looking for a basic filler neck and cap for your custom build or repair, we have a great economical kit for you.
A filler neck made from mild steel and a natural finish can be welded to any steel fuel or oil tank and is 2.75” in diameter, 1.25” in height with a 2.25” O.D. bung.
A twist-on style, vented steel cap is included with a durable zinc finish. The cap is vented to the underside and includes a rubber gasket seal. This cap is 1.875” across the lock tabs.
Make your tank build simple with our Universal Steel Oil & Fuel Tank Filler Neck with Cap.
- Mild steel filler neck welds easily to any steel tank
- Twist-on, vented, zinc-plated steel cap is included
- Works for fuel or oil tanks
It's fits well
Rated
by Jay on September 07, 2025
Summary: Replacement parts for a 580 case fuel tank the original pipe and filler cap was rusted through. Used a 2 inch x 10 inch aluminized exhaust pipe and attached the cat to it.
Yes, I recommend this product.
Solid!
Rated
by AK on March 20, 2025
Summary: Ended up using it for a modified motorcycle fuel tank setup. Excellent quality!
Yes, I recommend this product.
I would
Rated
by None on March 29, 2024
Summary: Used it in a gas tank worked good
Yes, I recommend this product.
Yes
Rated
by Bruce on August 08, 2021
Summary: Used om my 30 tub
Yes, I recommend this product.
Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted
source for specialty rodding and racing products and friendly expert
advice for more than 74 years. Founded in 1952 by “Speedy” Bill
Smith – a racer and street rodder himself – Speedway has grown from a
one-man operation to become the world’s largest manufacturer, distributor
and retailer of street rod and racing products. Our industry-leading
fast delivery is the result of same-day shipping from our state-of-the-art,
centrally located 500,000 sq. ft. headquarters. Speedway’s size offers
customers unmatched product selection and low pricing, while our excellent
technical support and customer service have made us a recognized leader
in the rodding and racing industries.