Edelbrock #3731 Performer AMC/JEEP 290-401 V8 Int. Manifold, 1970-91 304-360-401

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Edelbrock Part # 3731 Performer AMC EGR intake manifold is designed for 1970-91 street 304-360-401 c.i.d. V8 engines. This intake manifold will not accept stock Motorcraft spread-bore carburetor.

Documents & Installation Notes


Availability Available
Grade Type Performance
Gasket Or Seal Included No
Application Application Specific
UPC 00085347037315
Availability Note Available to Order
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Recommended intake gasket: Fel-Pro MS96011
  • Must use factory style metal valley tray
  • Manifold have two center bolt holes offset
  • Manifold height: A-4.20", B-5.50"
  • Carb pad height: 4.85"
  • Carb recommendations: Requires Edelbrock # 8008 or # 8024 stud, nut and washer kit. OEM 4-Bbl non-EGR square-bore. Edelbrock AVS2 or Performer Series 500-650 cfm.
  • Port exit dimensions: 1.03" x 2.07"
  • Edelbrock bracket # 8034 required for 1979 and later vehicles
  • Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant # 1076, DO NOT USE END SEALS GASKETS.
  • Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.
Center Maximum Height 4.850 in
CNC Ported No
Front Maximum Height 4.200 in
Material Aluminum
Rear Maximum Height 5.500 in
Single Or Dual Plane Type Dual Plane