- For use on 5/16"(8mm) steel or nylon fuel line

- Install on pressure line as close to fuel tank as possible

- Works with steel and nylon fuel line

- Includes mounting hardware

Problem:
Fuel pump check valve fails causing fuel pressure drop and hard starts

Solution:
- Install an in-line check valve for an inexpensive and quick 15 minute repair

Note: Not for use on "returnless" fuel systems

Also available for 3/8" fuel line (see part# 4911)