Aerodynamic Design: Offers excellent aerodynamic performance, large fill opening, and an attractive appearance for optimal functionality and style., Highly Secure Cap: Features a positive seal, flip-up 1/4-turn handle, and a chain to secure it to the gas filler neck., Complete Set: Includes cap, chain, fuel filler neck, gasket, and all hardware for a complete setup., Vented Cap: The polyethylene cap is vented for optimal operation., Installation Requirement: The hole in the tank needs to be 3-3/4" for cap to sit flush. Replacement gasket # 910-76510-1 and replacement Viton O-ring gasket seal # 458-85001 available for maintenance needs.
Speedway Aircraft-Style Flush-Mount Fuel Fill Filler Neck and Cap Speedway Motors
Speedway Aircraft-Style Flush-Mount Fuel Fill Filler Neck and Cap
Sku # 91076510
Mfr. Part # 91076510
Condition
New
Brand
Speedway Motors
Sold
Each
Details

Flush-mount caps offer excellent aerodynamic performance, large fill opening and attractive appearance. Cap features a positive seal, flip-up 1/4-turn handle, and a chain to secure it to the gas filler neck. Includes cap, chain, fuel filler neck, gasket, and all hardware. Polyethylene cap is vented.

Hole in tank needs to be 3-3/4" for cap to sit flush.

Replacement gasket #  available. 91076512 Stepped seal.

Specs
MFG. Part #
91076510
Overall Diameter
4.875"
Inside Diameter
3.0"
Bolt Hole Pattern
4.375"
Thread Pitch
1/4"-20
Hardware Included
Yes
Gasket(s) Included
Yes
Sold in Quantity
Each
Notes
Polyethylene cap is vented. Requires a 3-3/4" hole to sit flush.
Reviews

I would buy again

Rated
Product Rating
by Marc on October 03, 2025

Summary: Gas cap replacement

Yes, I recommend this product.

Fuel cell fuel cover

Rated
Product Rating
by Bobo on October 01, 2025

Summary: Fits perfect.

Easy to Find, Easy to Buy

Rated
Product Rating
by McNasty Offroad on August 20, 2025

Summary: Speedway made it simple to find exactly what I needed, checkout was quick, and the product was perfect when it arrived. I have since ordered again and will continue to do so! -McNasty Offroad

Yes, I recommend this product.

Part was inexpensive, well made and the twist clamp worked.

Rated
Product Rating
by Bob on May 27, 2025

Summary: Great part worked as advertised. Instructions on how best to install hardware would be helpful.

Yes, I recommend this product.

Great Vented Cap

Rated
Product Rating
by E Ticket Ride on April 11, 2025

Summary: Fit in my Jaz cell and provided a vent to my return system.

Yes, I recommend this product.

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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.