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4.0 ADDITIONAL ITEMS REQUIRED FOR INSTALLATION
Fuel System Return Fuel Lines
A 0-100 psi fuel gauge or pressure transducer is recommended to check for proper fuel pressure. PN 554-102 is a 0-100 PSI pressure
sensor that can be purchased as well that will plug into the TERMINATOR™ harness to check and monitor fuel pressure. It requires a
1/8” NPT port for installation (Holley fuel pressure regulators have an 1/8” NPT port)
In addition to the above list, the engine must be equipped with a four barrel intake manifold and the vehicle must be in good operating
condition. Any square flange Holley type intake manifold will work. A spread bore intake manifold may work with no adapter as long as it
is an aftermarket “universal flange” (meaning it has dual bolt patterns), and as long as it has enough material such that no vacuum leaks
occur along the perimeter of the throttle body. If there is not enough material, a sealing plate (Weiand® PN 9006) can be used. Factory
dual plane intakes will require an adapter (PN 17-6).