"Big Log" Fuel Rail Fitting Kit (8/6AN)

Big capacity is valuable for stabilizing pressures. Each time injectors fire, they subtract a certain amount from the fuel rail. The larger the available volume, the less fluctuation occurs and safety/reliability is enhanced.

Add an FPR Adapter to the "feed end of the fuel rail. This is closest to the original fuel hard lines that enter the engine bay. A compact and spatially efficient setup provides more room elsewhere.
Or, install it on the "far end" to provide more access in an otherwise cramped area. Either way will function exactly the same. It's builder's choice.

This kit is directly compatible with the VR6 12V "Big Log" Fuel Rail, the 20V "Big Log" Fuel Rail, plus the R32 "Big Log" Fuel Rail (or any other that's set up with 8AN).

Note: Barbed fittings are available separately..


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  • Model: RAILFITBIG86
  • Manufactured by: Genesis

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