engine heads and blocks
Edelbrock 61255 Victor Jr. 23° Cylinder Head for Small-Block Chevy (220cc)
$1,743
Made to order
Universal fit — no vehicle-specific fitment required.
Free freight ≥ $999 · $40 flat below
About this part
Edelbrock part #61255 Victor Jr. 23deg 220 cylinder head is 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. 23deg 220 cylinder head 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 23deg valve angle as well as the intake flange bolt pattern for use with 1986 and earlier intake manifolds. All of this allows this cylinder head 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: - Exhaust port location: Raised .300" - Spark plug fitment: 14mm x .750 reach gasket seat
Specifications
| WIDTH | 8.105 |
|---|---|
| HEIGHT | 4.875 |
| LENGTH | 18.82 |
| PROP65 | |
| WEIGHT | 24.15 |
| WARRANTY | 12 Months |
| EMISSIONS | Racing or Pre-Emissions Use Only |
| ATTRIBUTES | Material:Aluminum;Valve Spring Retainers Included:Yes;Valve Locks Included:Yes;Exhaust Runner Volume:85 CCM;Valve Lock Material:Chromoly Steel;Rocker Arms Included:No;Cylinder Head Gasket Included:No;Valve Cover Gasket Included:No;Rocker Arm Studs/Bolts Included:Yes;Mounting Hardware Included:No;Assembled:Yes;Grade Type:Performance;Deck Thickness:0.6875 IN;Combustion Chamber Volume:64 CCM;Intake Runner Volume:220 CCM;Intake Valve Diameter:2.10 IN;Exhaust Valve Diameter:1.60 IN;Valve Spring Diameter:1.55 IN;Valve Spring Maximum Lift:0.630 IN;Guide Plates Included:Yes;Head Casting Number:N/A;Guide Plate Material:Chromoly Steel;Valve Springs Included:Yes;Valve Seals Included:Yes;Valves Included:Yes;Camshaft Type:Hydraulic Roller;CNC Ported:Yes;Construction Type:Complete;EGR Port:No;Exhaust Port Location:+.300;Guide Material:Manganese Bronze;Guide Plate Material:Hardened Steel;Horsepower:450-600 HJ;Product Family:Victor;Product Series:Victor Jr.;Push Rod Diameter:(Suggested) 0.6875 IN;Quantity:Sold Individually;Retainer Included:Yes;RGL: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 www.P65warnings.ca.gov.;Rocker Arm Stud Diameter:0.4375 IN;Rotor Center Bore Inside Diameter:angled;Seat Angle:Exhaust 45 deg/Intake 45 DD;Seat Material:Ductile Iron;Valve Angle:23 DD;Valve Stem Diameter:0.3125 IN |
| PCDB CATEGORY | Engine |
| COUNTRY OF ORIGIN | US |
| PART TERMINOLOGY | Engine Cylinder Head |
| VEHICLE SPECIFIC FITMENT | N |
| INSTALLATION INSTRUCTIONS | 61255.pdf |
Datasheet — not yet published