Product Summary

390, 406, 427, 428, Carbureted Fuel System Type

  • Specifically designed for the 1960-later high-performance street 390-406-410- 427-428 c.i.d. Ford FE engines
  • The manifold carb pad is setup to fit Edelbrock carburetors
  • It has provision for a breather flange at the rear
  • Features a lightweight, durable aluminum construction with a natural finish
  • Carb center spacing 6-7/16" and has a 5.160" x 5.625" bolt hole pattern

Key Specs

MFG. Part #7505
Material TypeAluminum

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Edelbrock 7505 Details

Give your FE-powered hot rod dual-quad power and nostalgic looks with the new Edelbrock RPM Air-Gap Dual-Quad intake manifold. Designed for 1960-later high-performance street 390-406-410- 427-428 c.i.d. Ford FE engines with a 1500-6500 rpm power band. The manifold carb pad is setup to fit Edelbrock carburetors only, will not work with other square flange carburetors. Will not fit 427 Ford Hi-riser and Tunnel port engines. Has provision for a breather flange at rear. Carb center spacing 6-7/16"

In Dyno tests on a 390 with Performer RPM heads, Performer RPM camshaft, and Thunder Series AVS carburetor, this manifold made 421 hp and 428 ft./lbs. torque.

Made in the USA.




  • Carburetor Recommendations:  Edelbrock Performer Series, 500 cfm
  • Carb center spacing:  6-7/16"
  • Manifold height @ front:  4.85"
  • Manifold height @ rear:  5.70"
  • Carb pad height:  5.28"
  • Port exit dimensions:  1.05" x 1.90"

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Edelbrock 7505 Specifications

MFG. Part #7505
Material TypeAluminum
Fuel System TypeCarbureted
Intake Manifold TypeDual Quad
Carburetor QuantityTwo
Carburetor Flange Type4-Barrel Square Bore
RPM Range1,500-6,500
Intake Section IncludedComplete
Gaskets IncludedNo
Overall Height5.7"
Port Height1.9"
Port Width1.05"
Bolt Hole Pattern5.160" x 5.625"
Sold in QuantityEach
GTIN Code085347075058