Edelbrock Cylinder Head E-CNC 289/302/351W

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Edelbrock E-CNC Cylinder Head for all 289, 302 and 351W Engines.

The E-CNC 185 cylinder head for small-block Ford are an all new design that is CNC ported to achieve optimal air-flow for maximum horsepower and torque in high performance street and light duty racing applications.

The casting and port designs are all new and engineered for great performance. All E-CNC heads feature fully CNC intake ports, combustion chambers and exhaust ports for improved air-flow.

This cylinder head features 2.02" intake and 1.57" exhaust 8mm stem valves and are equipped with conical valve springs and titanium retainers for a lightweight and durable valve train combo. These small-block Ford heads have an aggressive 18 valve angle for maximum performance and accept common intake manifolds such as Edelbrock Performer RPM and RPM II.

Please Note: This Edelbrock Cylinder Head is sold individually, two are required per Small Block Ford Engine.

Assembled Head Specs:
Combustion chamber volume: 59cc
Intake runner volume: 185cc
Exhaust runner volume: 75cc
Intake valve diameter: 2.02"
Exhaust valve diameter: 1.57"
Valve stem diameter: 8mm
Valve guides: Manganese steel
Deck thickness: 5/8"
Valve spring diameter: 1.30"
Valve spring maximum lift: .600"
Rocker stud: 7/16"
Guide plate: Hardened steel
Pushrod diameter: 5/16"
Valve angle: 18
Exhaust port location: Stock
Spark plug fitment: 14mm x 3/4 reach, gasket seat

Flow Numbers:
.100" Valve lift = 78 intake & 63 Exhaust
.200" Valve lift = 146 intake & 119 Exhaust
.300" Valve lift = 213 intake & 173 Exhaust
.400" Valve lift = 257 intake & 197 Exhaust
.500" Valve lift = 281 intake & 205 Exhaust
.600" Valve lift = 292 intake & 209 Exhaust"

If you're looking for more performance from your 289, 302 or 351W, check out Edelbrock, who is one of the industry leaders with parts for Ford Vehicle and more than 75 years of experience. Carburetors, exhausts, intake manifolds, and superchargers are just a few of the things that Edelbrock provides, giving you many ways that you can get the most out of your engine with high quality performance products.

Purchase a new Edelbrock E-CNC Cylinder Head for your 289, 302 or 351W Engine from CJ Pony Parts today!

Installation Videos

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following F-100 years:

  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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Is there a special bracket to hook the alternator to the Head because my boat holes do not match up

Asked by: Terry
There is no special bracket.
Answered by: rk cjpp
Date published: 2018-11-16

Since the E-CNC Head is 18 degrees and stick us 20, do you have to change pistons or will the heads just bolt on?

Asked by: Mazda B2300 upgrade
NO not at all, this is a bolt on cylinder head
Answered by: Edelbrock
Date published: 2017-11-11
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