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Victor Jr. 23° Cylinder Head for S/B Chevy Mechanical Roller Camshaft (220cc)

The Edelbrock #61259 Victor Jr. 220cc cylinder head is designed for 1955-86 SB Chevy applications. The #61249 Victor Jr. is perfect larger cubic inch small blocks and vehicles where maximum power is needed.
Edelbrock Part # 61259 Victor Jr. 23脗掳 220 cylinder heads are designed for small-block Chevy Its 64cc combustion chamber yields around 10:1 compression ratio in a typical flat-top application and about 12.5:1 when used with some of the most common 12cc dome pistons. One of the key features of the Victor Jr. 23脗掳 220 cylinder heads is the CNC machined chambers and bowls, which result in consistency and improved performance. They also feature angled spark plug holes and maintain the stock 23脗掳 valve angle as well as the intake flange bolt pattern for use with 1986 and earlier intake manifolds. All of this allows these cylinder heads to deliver 530-580 hp potential right-out-of-the-box, making them ideal for a budget minded engine build desiring a high quality cylinder head that still uses a stud and guide plate rocker system. Cylinder Head Specifications: 芒鈧垄 Finish: Satin 芒鈧垄 Designed for use with Mechanical Roller camshafts 芒鈧垄 Combustion chamber volume: 64cc 芒鈧垄 Intake runner volume: 220cc 芒鈧垄 Exhaust runner volume: 85cc 芒鈧垄 Intake valve diameter: 2.10" 芒鈧垄 Exhaust valve diameter: 1.60" 芒鈧垄 Valve stem diameter: 5/16芒鈧聺 芒鈧垄 Valve guides: Manganese bronze 芒鈧垄 Deck thickness: 11/16芒鈧聺 芒鈧垄 Valve spring diameter: 1.55" 芒鈧垄 Valve spring maximum lift: .670" 芒鈧垄 Rocker stud: 7/16" 芒鈧垄 Guide plate: Hardened steel 芒鈧垄 Pushrod diameter: 5/16" 芒鈧垄 Valve angle: 23脗掳 芒鈧垄 Exhaust port location: Raised .300芒鈧聺 芒鈧垄 Spark plug fitment: 14mm x .750 reach, gasket seat
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347612598
Series Victor Jr.
Quantity Sold Individually
Availability Note Available to Order
Warranty 12 Months
Horsepower 450-600 HP
Intake Valve Diameter 2.10 in
Camshaft Type Mechanical Roller
Guide Plate Material Hardened Steel
Seat Angle Exhaust 45 deg/Intake 45 deg
Emissions Code N/A
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
  • Match with Edelbrock head gasket sets or use Fel-Pro intake gasket #1206 and Fel-Pro exhaust gasket #1405. Requires hardened pushrods. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x ¾
Intake Runner Volume 220 cc
Material Aluminum
Push Rod Diameter (Suggested) 0.6875 in
Rocker Stud Diameter 0.4375 in
Valve Angle 23 deg
Valve Spring Diameter 1.55 in
Valve Spring Maximum Lift 0.700 in
Valve Stem Diameter 0.3125 in