-8AN to 5/16 in. Factory-Style Fuel Tube Female Straight Quick Disconnect Fuel Rail Adapter Fitting
-8AN to 5/16 in. Factory-Style Fuel Tube Female Straight Quick Disconnect Fuel Rail Adapter Fitting
SKU: SKU: 81310
In stock

Product Details
Features
- -8AN to 5/16" EFI fuel rail adapter, quick-disconnect style
- Compatible with TSP Velocity fuel rails (81008/81009/81011)
- Straight design for simplified feed or return line routing
- Sold individually
Description
This EFI fuel rail adapter connects -8AN to a 5/16" factory-style female connection for clean AN fuel line routing at the rail. The straight adapter layout helps simplify feed or return line plumbing on compatible EFI fuel rails, including TSP Velocity fuel rail assemblies with the matching connection style.
Use it when adapting a quick-connect or spring-lock rail outlet to AN hose plumbing. Confirm the rail connection, AN thread size, hose end, sealing surface, and line routing clearance before installation.
Applications
Universal EFI fuel rail adapter, -8AN to 5/16" factory-style connection. Compatible with TSP Velocity fuel rail assemblies (81008, 81009, 81011) using the matching connection style.
Installation
Verify fuel rail connection style, AN size, hose end, sealing surface, and routing clearance before installation.
Specs
| Quantity | Sold individually |
Engine Fitment
COMPATIBLE WITH
Universal
NOTES
Verify fuel rail connection style, AN size, hose end, sealing surface, and routing clearance before installation.
Q&A
What does this adapter connect to?
This adapter connects to a 5/16" factory-style female quick-disconnect or spring-lock fuel rail outlet, converting the connection to -8AN for custom fuel hose plumbing.
Does this fit TSP's Velocity fuel rails?
Yes — this adapter is compatible with TSP Velocity fuel rail assemblies 81008, 81009, and 81011 when using the matching connection style.
What AN size is this fitting?
This is a -8AN fitting.
How many fittings come in this listing?
This fitting is sold individually — one fitting per purchase.
What's the difference between this and the 3/8" version?
This version connects to a 5/16" factory-style female connection, while the 3/8" version (81309) connects to a 3/8" male connection. Both convert to -8AN on the AN side.
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
-8AN to 5/16 in. Factory-Style Fuel Tube Female Straight Quick Disconnect Fuel Rail Adapter Fitting
This EFI fuel rail adapter connects -8AN to a 5/16" factory-style female connection for clean AN fuel line routing at the rail. The straight adapter layout helps simplify feed or return line plumbing on compatible EFI fuel rails, including TSP Velocity fuel rail assemblies with the matching connection style.
Use it when adapting a quick-connect or spring-lock rail outlet to AN hose plumbing. Confirm the rail connection, AN thread size, hose end, sealing surface, and line routing clearance before installation.
Applications
Universal EFI fuel rail adapter, -8AN to 5/16" factory-style connection. Compatible with TSP Velocity fuel rail assemblies (81008, 81009, 81011) using the matching connection style.
Installation
Verify fuel rail connection style, AN size, hose end, sealing surface, and routing clearance before installation.
COMPATIBLE WITH
Universal — EFI fuel rail adapter, -8AN to 5/16" factory-style connection. Compatible with TSP Velocity fuel rail assemblies (81008/81009/81011) using the matching connection style.
NOTES
• Verify fuel rail connection style, AN size, hose end, sealing surface, and routing clearance before installation.
SPECIFICATIONS
Quantity: Sold individually