Edelbrock E-CNC 225 Small Block Chevy Cylinder Head 70cc Solid Roller Springs Complete Single


Edelbrock E-CNC 225 Small Block Chevy Cylinder Head 70cc Solid Roller Springs Complete Single

The Edelbrock part # 61209 Small Block Chevy E-CNC 225 cylinder heads offer the ultimate performance. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance street and racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift. E-CNC S/B CHEVY FEATURES: - Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance - Maintains the stock 23° valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds - Delivers up to 30-60 horsepower over Performer RPM Cylinder Heads - #61205 & #61209 features 7/16" studs and angled spark plugs - Ideal for high performance street and racing applications.

Installation Notes    

    Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.

CNC Ported    Yes
Combustion Chamber Volume    68.0 cc
Deck Height    9.025 in
Deck Thickness    0.687 in
Exhaust Valve Diameter    1.600 in
Guide Plates Included    Yes
Intake Runner Volume    225.0 cc
Intake Valve Diameter    2.100 in
Material    Aluminum
Push Rod Diameter    0.312 in
Rocker Stud Diameter    0.437 in
Valve Angle    23 deg
Valve Spring Diameter    1.580 in
Valve Spring Maximum Lift    0.700 in
Valve Stem Diameter    0.341 in

-1975 Chevrolet C10-1976 Chevrolet C10-1977 Chevrolet C10-1978 Chevrolet C10-1979 Chevrolet C10-1980 Chevrolet C10-1981 Chevrolet C10-1982 Chevrolet C10-1983 Chevrolet C10-1984 Chevrolet C10

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following C10 years:

  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,
  • 1980,
  • 1981,
  • 1982,
  • 1983,
  • 1984,
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