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Thumbnail Filmstrip of 841-12 Primer Fitting w Check Valve for EFI - Primes your fuel system when using a Mechanical Pump Images
This -12 Fitting can Screw into your -12 fuel Rail or Fuel Filter -12 ORB & -12 AN
A -12 Hose Flare accepts your -12 incoming fuel from a 12V Electric Pump
The Check Valve allows a Small electric Pump to Pressurize your EFI System to fire the engine off
Then the mechanical pump spins fast enough to make the engine Start easily and Stay Primed
It has a one-way valve built in.
Just need one of these, . Unless you might want one on each Fuel Rail
Also Available in -10 AN