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C-26 Small Block Chevy Dual-Quad Intake Manifold

was $504.95 Special Price $454.46
Dual-Quad Intake Manifold For Chevrolet 262-400 Small-Block V8
In stock
Edelbrock Part # 5425 C-26 Dual-Quad intake manifold is for 1955-86 262-400 c.i.d. S/B Chevys. This dual-quad has a low profile for hood clearance on most vehicles. Air-conditioning bosses and front oil filler tube boss included. Stock alternator brackets do not fit Carb center to carb center: 6-7/16". Accepts oil fill tube and breather #4803. Use with Performer-Plus cam #2103 for low-end torque or Torker-Plus cam/kit #5002 for top-end power.
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347054251
Series Dual-Quad/Multi Carb
Gasket Or Seal Included No
Vehicle Model Chevrolet
Availability Note Available to Order
Warranty 12 Months
RPM Range 2500-6500 RPM
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
  • Manifold ht: A-2.95", B-3.55"
  • Carb pad height: 3.25"
  • Carb recommendations: EdelbrockAVS2 Series # 1903 and # 1904 500 cfm.
  • Port exit dimensions: 1.18" x 1.90"
  • Recommended intake gasket: Edelbrock # 7201.
  • Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant # 1076, DO NOT USE END SEALS GASKETS.
  • Sealant must be used on intake bolt threads if the threads extend into lifter valley or coolant passage.
  • NPT/Pipe thread fittings require the use of Teflon tape or paste on threads to ensure proper seal.
  • DO NOT OVERTIGHTEN NPT/Pipe fittings, this may cause the aluminum to crack around the fitting boss. NPT/Pipe thread is a tapered thread.
  • Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.
  • H.E.I. will fit
  • Even though manifolds are compatible with EGR systems, this does not mean they are legal for use on emissions controlled vehicles. Check local laws for legality.
  • Proper installation is the responsibility of the installer. Improper installation will void your warranty and may result in poor performance and engine or vehicle damage.
Color Satin
Material Aluminum
Rear Maximum Height 3.550 in
Single Or Dual Plane Type Dual