Classic Performance Products 9/16 18 Fuel Tank Return Fitting
Highlights
- Adds Fuel Return Port
- Rivet-Style Internal Retention
- Supports EFI Fuel Systems
- Complete Hardware Included
Classic Performance Products 9/16 18 Fuel Tank Return Fitting.
Add a reliable fuel return connection with this Classic Performance Products 9/16-18 fuel tank return fitting (45111)!
Features and Benefits:
- 9/16 18 thread size
- Allows addition of a fuel return connection
- Rivet insert design locks inside tank
- Supports EFI and inline pump systems
- Creates a sealed and secure return port
- Works with custom fuel tank setups
- Includes required installation hardware
- Sold individually
This fitting supports EFI conversions, inline fuel pump setups, and custom fuel delivery systems. It uses a rivet-style design that locks into place from inside the tank, creating a secure return port once tightened. Plus, this complete kit comes with all the required hardware.
Please Note: Drilling into the fuel tank is required. Tank must be completely drained, cleaned, and fume‑free prior to installation.
California Residents: Proposition 65 Warning
Related Categories: Fuel Tanks
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,











