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

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.

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.

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

You May Also Like

Carrillo Forged Pistons and Connecting Rods for Ford 7.3L Godzilla

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.  Other features include:• Rated to handle up to 1,500

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. 

Other features include:• Rated to handle up to 1,500 horsepower• -21.1cc dish with two valve reliefs• Lateral gas-ported to maintain tighter piston-to-bore clearances for better sealing• 10.5:1 compression on E85 with 1.338-inch compression height• .990-inch chromoly wristpins for use with wire locks• Choice of 4.225- or 4.250-inch bore sizes

Fluidampr Harmonic Damper from Summit Racing Equipment

The factory harmonic damper on your modern GM, Ford, or Mopar V8 are ‘tuned’ to absorb what’s called torsional vibration in the engine’s normal operating RPM range. Performance modifications, particularly ones that increase torque, produce added vibration in an RPM range that the elastomer damper wasn’t designed to handle. That vibration will accelerate component wear,

Elgin OE Replacement MLS Head Gaskets for Ford 6.7L Diesel Engines

Elgin Industries has introduced original equipment replacement multi-layer-steel head gaskets for 2011-2020 Ford 6.7L diesel engines. Related Articles – Turbosmart TS-1 Externally Wastegated Turbocharger – FuelTech FT600 EFI System – Trick Flow Specialties DHC 200 Aluminum Cylinder Heads The new gaskets – EHG-26661 (left) and EHG-26662 (right) – match the design, fitment and quality of

Starrett Introduces Easy-to-Use Precision Wireless Electronic Depth Gages

The L.S. Starrett Company, a leading global manufacturer of precision measuring tools and gages, metrology systems and more, has introduced three Wireless Electronic Depth Gages including the W640JZ, W643JZ, and W644JZ which are made in the U.S.A., part of a line of over 40 new electronic precision gages that Starrett recently introduced to the market.

PBM Rotating Assemblies

PBM rotating assemblies have a proven reputation of quality, durability and performance.

Other Posts

Noonan’s 4.8 Bore Space Billet Hemi Engine

Known for their Hemi engine platform, Noonan Race Engineering has been perfecting its 4.8 bore space Hemi offering for quite sometime. This version, which we saw during a visit to the Spartanburg, SC-based engine and machine shop, features a water block and will have twin turbos. It’s our Engine of the Week! Related Articles –

Take a Tour of PAR Racing Engines

During a recent trip to Spartanburg, SC, we had the opportunity to stop in PAR Racing Engines, a well-known race engine and machine shop owned by Scott Duggins. Scott showed us around and we definitely came away impressed. Related Articles – Pat Musi 632 cid Big Block Chevy Nitrous Engine – Is Lower Viscosity Oil

Warren Diesel Injection’s New 6.0L Powerstroke Race Engine

Jesse Warren and his team are synonymous with the Ford Powerstroke platform, specifically the 6.0L. As such, Jesse’s team at Warren Diesel Injection continues to push the envelope of the 6.0L Powerstroke and recently unveiled a new race truck at the 2023 Ultimate Callout Challenge. Find out what went into this 3-year-long build! Related Articles

Record Number of Manufacturers for 2024 WEC Entry List

The 2024 FIA World Endurance Championship (WEC) will feature a record-breaking 14 manufacturers across its Hypercar and LMGT3 classes. Related Articles – Athenian Moves to Huntsville, AL – American Powertrain’s #BaconShift Promotion and ProFit Transmission Sale – PRI to Showcase EKarting Classic Manufacturers competing in WEC next year include Alpine, Aston Martin, BMW, Cadillac, Corvette,