500EFI Fuel Rails modified to feed both sides, avoid vapor lock issues.
 

500EFI fuel rails, factory 180 cut off to allow fuel to be fed to both sides via Y-block simultaneously. This will provide even fuel flow and eliminate vapor lock issues the 500 can have. In the picture with the engine, you can see the fuel line come up from the FP, into the Y block, out the rails from the back side.

$300 shipped-

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$250 shipped.

$200 shipped.

$175 shipped