Description

The Edelbrock part #61209 SB 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's street and racing applications The Edelbrock part #61209 Small Block Chevy E-CNC 225 cylinder head offers the ultimate performance. This cylinder head is fully CNC ported for maximum horsepower and torque making them ideal for high-performance's 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 23deg 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 head - #61205 & #61209 features 7/16" studs and angled spark plugs - Ideal for high Performance's street and racing applications

• Specifications

  • Assembled: Yes
  • Camshaft Type: Mechanical Roller
  • CNC Ported: Yes
  • Combustion Chamber Volume: 64 CCM
  • Construction Type: Complete
  • Cylinder Head Gasket Included:No
  • Deck Height: 9.025 Inch
  • Deck Thickness: 0.5625"
  • EGR Port: No
  • Exhaust Port Location: +.200
  • Exhaust Runner Volume: 88 CCM
  • Exhaust Valve Diameter: 1.60"
  • Family: E-CNC
  • Grade Type: Performance
  • Guide Material: Manganese Bronze
  • Guide Plate Material: Hardened Steel
  • Guide Plate Material:Chromoly Steel
  • Guide Plates Included: Yes
  • Head Casting Number:31-6120
  • Horsepower: 500-600 HJ
  • Intake Runner Volume: 225 CCM
  • Intake Valve Diameter: 2.10"
  • Material: Aluminum
  • Mounting Hardware Included: No
  • Push Rod Diameter: (Suggested) 0.3125 Inch
  • Quantity: Sold Individually
  • Retainer Included: No
  • Rocker Arm Stud Diameter: 0.4375 Inch
  • Rocker Arm Studs/Bolts Included:Yes
  • Rocker Arms Included:No
  • Rotor Center Bore Inside Diameter: angled
  • Seat Angle: Exhaust 45 deg/Intake 45 DD
  • Seat Material: Ductile Iron
  • Series: E-CNC
  • Valve Angle: 23 DD
  • Valve Cover Gasket Included: No
  • Valve Lock Material:Chromoly Steel
  • Valve Lock Material:Steel
  • Valve Locks Included:Yes
  • Valve Seals Included: Yes
  • Valve Spring Diameter: 1.58 Inch
  • Valve Spring Maximum Lift: 0.700 Inch
  • Valve Spring Retainers Included:No
  • Valve Springs Included: Yes
  • Valve Stem Diameter: 0.3110 Inch
  • Valves Included:Yes

• Product Fits

  • Chevrolet Bel Air 1955-1981
  • Chevrolet Biscayne 1958-1972
  • Chevrolet Blazer 1969-1974
  • Chevrolet Brookwood 1958-1972
  • Chevrolet C10 1975-1984
  • Chevrolet C10 Pickup 1960-1974
  • Chevrolet C10 Suburban 1967-1984
  • Chevrolet C20 1975-1984
  • Chevrolet C20 Pickup 1960-1974
  • Chevrolet C20 Suburban 1967-1984
  • Chevrolet C30 1975-1984
  • Chevrolet C30 Pickup 1960-1974
  • Chevrolet Camaro 1967-1984
  • Chevrolet Caprice 1966-1980
  • Chevrolet Chevelle 1964-1973
  • Chevrolet Chevy II 1963-1968
  • Chevrolet Corvette 1955-1984
  • Chevrolet Del Ray 1957-1958
  • Chevrolet El Camino 1959-1981
  • Chevrolet Estate 1969-1970
  • Chevrolet G10 1975-1984
  • Chevrolet G10 Van 1968-1974
  • Chevrolet G20 1975-1984
  • Chevrolet G20 Van 1967-1974
  • Chevrolet G30 1975-1984
  • Chevrolet G30 Van 1974-1974
  • Chevrolet Impala 1958-1980
  • Chevrolet K10 1975-1984
  • Chevrolet K10 Pickup 1960-1974
  • Chevrolet K10 Suburban 1967-1984
  • Chevrolet K20 1975-1984
  • Chevrolet K20 Panel 1967-1967
  • Chevrolet K20 Pickup 1960-1974
  • Chevrolet K20 Suburban 1967-1984
  • Chevrolet K30 1977-1984
  • Chevrolet K30 Pickup 1968-1974
  • Chevrolet K5 Blazer 1975-1980
  • Chevrolet Kingswood 1959-1972
  • Chevrolet Laguna 1973-1976
  • Chevrolet Malibu 1964-1983
  • Chevrolet Monte Carlo 1970-1983
  • Chevrolet Monza 1975-1977
  • Chevrolet Nomad 1955-1961
  • Chevrolet Nova 1969-1979
  • Chevrolet One-Fifty Series 1955-1957
  • Chevrolet Parkwood 1959-1961
  • Chevrolet Sedan Delivery 1955-1958
  • Chevrolet Suburban 1960-1966
  • Chevrolet Townsman 1969-1972
  • Chevrolet Truck 1955-1958
  • Chevrolet Two-Ten Series 1955-1957
  • Chevrolet Yeoman 1958-1958