Complete Filler Neck Solution: Speedway Aluminum Gas/Oil Tank Filler Neck with Twist-On Vented Cap included., Efficient Venting System: Vented cap design ensures proper venting to the underside of the cap., Durable Aluminum Construction: Made from premium aluminum material for strength and longevity., Weld-In Bung: Features a 2.3" O.D. weld-in bung for secure installation., Adjustable Height: Bung measures 1 1/8" tall without the cap and 1 1/2" tall with the cap, allowing for flexibility in fitment.
Aluminum Gas/Oil Tank Filler Neck with Twist-On Vented Cap Speedway Motors
Aluminum Gas/Oil Tank Filler Neck with Twist-On Vented Cap
Sku # 6175021
Mfr. Part # 6175021
Condition
New
Brand
Speedway Motors
Sold
Each
Details

These filler necks come with a vented cap which vents to the underside of the cap. Weld-in 2.3" O.D. bung. Bung is aluminum.

Bung is 1 1/8" tall without the cap and 1 1/2" tall with the cap.

Specs
MFG. Part #
6175021
Overall Length
3.17"
Overall Height
1.50"
Inside Diameter
1.50"
Outside Diameter
2.25"
Material Type
Aluminum
Finish
Natural
Gasket(s) Included
Yes
Sold in Quantity
Each
Notes
Cap locks on the inside of the neck, not the outside like a radiator cap. Some OEM caps may not fit this neck.
Reviews

I would buy this product again and I have!

Rated
Product Rating
by Speed on July 24, 2024

Summary: I use this on the fuel tank of my twin engine Vintage 300cc Go Kart!

Yes, I recommend this product.

I love doing business with you. The parts are always perfec

Rated
Product Rating
by V8 on January 15, 2024

Summary: You always have what I need on hand and shipping is great.

Yes, I recommend this product.

Yes

Rated
Product Rating
by Steini on October 23, 2023

Summary: It did exactly what I wanted it to

Yes, I recommend this product.

I would buy these again.

Rated
Product Rating
by Artie on April 17, 2023

Summary: These will be used to extend the fill neck on my aluminum tank. Got to get a nicer cap though!

Yes, I recommend this product.

YES I WOULD RECOMMEND, I IS NICE

Rated
Product Rating
by FOXY on February 11, 2022

Summary: MOTOR BIKE BEHIND THE SEATGAS TANK

Yes, I recommend this product.

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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.