Description
Product Overview
The Holley 26-25 Swivel Fitting is engineered for high‑performance fuel systems. Constructed from machined brass, it offers superior corrosion resistance and strength. Featuring a 5/16 UNF thread and adapter design, this fitting provides a secure, leak‑free connection for hoses and fuel lines. Its compact dimensions (5 x 3.45 x 1.2 inches) and lightweight build (0.04 kg) make it easy to integrate into tight engine bays.

Usage
Ideal for street racers, off‑road enthusiasts, and daily drivers seeking reliable fuel delivery, this fitting excels in high‑flow applications and custom fuel setups. Install it between the fuel pump and carburetor or injectors to ensure a stable connection under demanding conditions. Compatible with standard 5/16 hoses and 9/16‑24 threads, it fits a wide range of aftermarket and OEM components.
Why Choose Us
Holley’s reputation for quality engineering backs this swivel fitting, delivering precision tolerances and a machined exterior finish that resists wear. Each unit undergoes rigorous testing to meet automotive performance standards, and the product includes a warranty for peace of mind. With over 100 positive customer reviews averaging 4.5 stars, drivers trust its durability and ease of installation.
Key Features
- Machined brass construction for maximum durability and corrosion resistance
- 5/16 UNF thread ensures a tight, leak‑free connection
- Adapter design compatible with standard fuel hoses and fittings
- Compact size fits easily in confined engine compartments
- Backed by Holley’s warranty and proven performance record
FAQ
What size hose does the fitting accept?
The fitting is designed for 5/16″ hose connections, making it compatible with most performance fuel lines.
Is the brass material suitable for high‑temperature environments?
Yes, machined brass tolerates the heat generated in high‑performance engines while resisting corrosion.
Can this fitting be used with both carbureted and fuel‑injected systems?
Absolutely. Its universal thread and adapter style work with a variety of fuel delivery setups.
How do I install the swivel fitting?
Simply thread the fitting onto the hose or component, ensure a snug fit, and tighten with a wrench. No special tools are required.
Does the product come with a warranty?
Yes, Holley provides a standard warranty covering manufacturing defects for this fitting.




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