Holley 300-900BK Low-Profile Godzilla Intake Manifold Black


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Holley's low-profile intake manifold for Ford's 7.3L "Godzilla" engine, when paired with a 20-340/20-340BK oil pan and accessory drive kit, allows for easy installation into vintage vehicles, kit cars, and other space-restricted applications while retaining the factory hood. The design focus for this manifold was equal cylinder distribution and great street manners. This low-profile intake manifold offers a much cleaner alternative to the original plastic intake, provides anywhere from 2 to 3.5-inches of additional clearance, corrects the OE throttle body angle by 55 degrees, and increases the opening to 92mm. With three throttle body options, sturdy cast aluminum construction, a removable lower panel, and long runners to maintain the 7.3-liter's already substantial torque offering, this is a must-have for any "Godzilla" project. • Throttle Body Options: 1) 1986-1993 5.0L Mustang style drive-by-cable throttle bodies, 2) 2020-2023 7.3L drive-by-wire throttle body, and 3) 2020-2023 GT500 drive-by-wire throttle body (requires part #300-903) • Compatible Engine Components: 1) Factory accessories as well as Holley accessory drives (except for #20-380 and #97-409) and 2) Factory fuel rails and Holley #534-265 / #534-266 billet rails Included: Heater delete kit (# 97-425), hardware/o-ring kit (# 300-905), and NPT plugs for unused vacuum ports at rear of manifold (1x 1/8NPT, 1/4 NPT, and 3/8 NPT) Optional items: Heater line adapter (# 300-901), GT500 throttle body adapter (# 300-903), and O-ring replacement kit (# 300-906)


  • Patent-pending design optimizes hood clearance for engine swap applications with gains ranging from 2 to 3.5-inches
  • Robust cast aluminum construction that will withstand high-boost turbocharger and supercharger applications
  • Runner design optimizes horsepower and torque in upper RPM range, especially when engine is allowed to breathe with better components (throttle body, cam, etc.)
  • Three throttle body options to choose from: OE 7.3L DBW, Fox Body cable driven style, 2020-2023 GT500 (requires part # 300-903)
  • Perfect complement to Holley’s Godzilla Accessory Drive and Oiling System (20-320 / 20-320BK / 20-340 / 20-340BK) for fitment into tight engine bays
  • Corrects OE throttle body flange angle by 55 degrees for significantly improved clearance and intake pipe routing
  • Removable lower intake panel that can be removed for additional porting, nitrous, etc
  • Includes 3/8 NPT, 1/4 NPT and 1/8 NPT vacuum ports at rear of manifold
  • Includes throttle body gasket and all necessary o-rings and adapters to mount to the engine
  • Compatible with OE or Holley accesory drives and OE or Holley Fuel Rails
Brand Holley
Construction Cast
Emission Code 3
Engine Ford 7.3L Godzilla
Finish Black Powdercoated
Front Height 3.625 inch
Fuel System Type EFI
Manifold Type Low-Profile
Product Type Intake Manifold
Rear Height 5.00 inch
RPM Power Band 2000-6500
Throttle Bore 92mm
Warranty Limited 90 Day
UPC 090127136348
Part Number 300-900BK

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