Holley EFI Billet Fuel Rails for Ford Coyote and Mopar Gen III Hemi - Engine Builder Magazine

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Holley EFI Billet Fuel Rails for Ford Coyote and Mopar Gen III Hemi

The fuel rails feature a 5/8” diameter fuel passage that provides more flow capacity for high horsepower applications over the stock rails.

Engine Builder
By Engine Builder

The new Hi-Flow billet fuel rails are now available for the following: All late-model (2011-present) naturally-aspirated Ford Coyote engines (5.0L and 5.2L), including Cobra Jet and Boss 302, as well as 2018-present direct-injected engines. All naturally-aspirated 5.7L, 6.1L and 6.4L Gen III Hemi engines, 2003-present.

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The black anodized rails have -8 ORB ports on each end and an 1/8” NPT port for a fuel gauge installation if you choose to do so. The rails are designed with the factory injector clip reliefs so that your factory injectors and retaining clips can be reused. The fuel rails feature a 5/8” diameter fuel passage that provides more flow capacity for high horsepower applications over the stock rails.

The kit includes fuel rails, mounting brackets and required mounting hardware. 534-283 – Billet Fuel Rails N/A Ford Coyote or 534-284 – Billet Fuel Rails N/A Gen III Hemi

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These pistons are forged from 2618T aluminum alloy and machined on dedicated CNC machine cells to tight tolerances. 2618 aluminum has a lower silicon content than other alloys. That makes the pistons stronger and more ductile—perfect for high-load, high-stress applications like superchargers, turbochargers, or nitrous oxide. 

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