Edelbrock Victor Jr. 23° 220 cylinder heads are an affordable option that delivers maximum power in high-performance street and entry-level competition engines. 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° 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° 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. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves to be used. ** Combustion chamber volume: 64cc; Intake runner volume: 220cc; Exhaust runner volume: 85cc; Intake valve diameter: 2.10"; Intake valve diameter: 2.10"; Exhaust valve diameter: 1.60"; Valve stem diameter: 5/16"; Valve guides: Manganese bronze; Deck thickness: 11/16"; Valve spring diameter: 1.55"; Valve spring maximum lift: 0.700"; Rocker stud: 7/16"; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 23°; Exhaust port location: Raised .300"; Spark plug fitment: 14mm x 3/4 reach, gasket seat. ** INSTALLATION NOTE: Check cam manufacturers specs for compatibility with valve springs for spring rates. 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 3/4in. reach, flat gasket spark plug with a heat range appropriate to your application.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1977 |
Buick |
Century |
Base |
| 1977-1979 |
Buick |
Century |
Custom |
| 1979 |
Buick |
Century |
Special |
| 1977 |
Buick |
Regal |
Base |
| 1977 |
Buick |
Regal |
SR |
| 1977-1979 |
Buick |
Skylark |
Base |
| 1978-1979 |
Buick |
Skylark |
Custom |
| 1978 |
Buick |
Skylark |
Sport |
| 1977 |
Buick |
Skylark |
SR |
| 1962-1975 |
Chevrolet |
Bel Air |
Base |
| 1962-1972 |
Chevrolet |
Biscayne |
Base |
| 1969-1974 |
Chevrolet |
Blazer |
Base |
| 1969-1972 |
Chevrolet |
Brookwood |
Base |
| 1978-1980 |
Chevrolet |
C10 |
Big Ten |
| 1975-1980 |
Chevrolet |
C10 |
Cheyenne |
| 1982-1986 |
Chevrolet |
C10 |
Custom |
| 1975-1980 |
Chevrolet |
C10 |
Custom Deluxe |
| 1975-1980,1982-1986 |
Chevrolet |
C10 |
Scottsdale |
| 1975-1980,1982-1986 |
Chevrolet |
C10 |
Silverado |
| 1966-1974 |
Chevrolet |
C10 Pickup |
Base |
| 1968-1974 |
Chevrolet |
C10 Suburban |
Base |
| 1981-1986 |
Chevrolet |
C10 Suburban |
Custom |
| 1975-1980 |
Chevrolet |
C10 Suburban |
Custom Deluxe |
| 1981 |
Chevrolet |
C10 Suburban |
Deluxe |
| 1975-1980,1982,1984-1986 |
Chevrolet |
C10 Suburban |
Scottsdale |
| 1975-1980,1982-1986 |
Chevrolet |
C10 Suburban |
Silverado |
| 1975-1981 |
Chevrolet |
C20 |
Cheyenne |
| 1981-1986 |
Chevrolet |
C20 |
Custom |
| 1975-1980 |
Chevrolet |
C20 |
Custom Deluxe |
| 1981 |
Chevrolet |
C20 |
Deluxe |
| 1975-1986 |
Chevrolet |
C20 |
Scottsdale |
| 1975-1986 |
Chevrolet |
C20 |
Silverado |
| 1966-1974 |
Chevrolet |
C20 Pickup |
Base |
| 1968-1974 |
Chevrolet |
C20 Suburban |
Base |
| 1981-1986 |
Chevrolet |
C20 Suburban |
Custom |
| 1975-1980 |
Chevrolet |
C20 Suburban |
Custom Deluxe |
| 1981 |
Chevrolet |
C20 Suburban |
Deluxe |
| 1975-1980,1982,1984-1986 |
Chevrolet |
C20 Suburban |
Scottsdale |
| 1975-1977,1979-1980,1982-1986 |
Chevrolet |
C20 Suburban |
Silverado |
| 1975-1981 |
Chevrolet |
C30 |
Cheyenne |
| 1981-1986 |
Chevrolet |
C30 |
Custom |
| 1975-1980 |
Chevrolet |
C30 |
Custom Deluxe |
| 1981 |
Chevrolet |
C30 |
Deluxe |
| 1975-1986 |
Chevrolet |
C30 |
Scottsdale |
| 1975-1986 |
Chevrolet |
C30 |
Silverado |
| 1966-1974 |
Chevrolet |
C30 Pickup |
Base |
| 1967-1980 |
Chevrolet |
Camaro |
Base |
| 1979-1981 |
Chevrolet |
Camaro |
Berlinetta |
| 1974-1978 |
Chevrolet |
Camaro |
LT |
| 1976-1978 |
Chevrolet |
Camaro |
LT Rally Sport |
| 1976-1980 |
Chevrolet |
Camaro |
Rally Sport |
| 1967-1973,1975 |
Chevrolet |
Camaro |
RS |
| 1981 |
Chevrolet |
Camaro |
Sport |
| 1967-1972 |
Chevrolet |
Camaro |
SS |
| 1967-1972,1974,1977-1981 |
Chevrolet |
Camaro |
Z28 |
| 1966-1972,1986 |
Chevrolet |
Caprice |
Base |
| 1973-1980,1985 |
Chevrolet |
Caprice |
Classic |
| 1976-1978 |
Chevrolet |
Caprice |
Classic Estate |
| 1976-1980 |
Chevrolet |
Caprice |
Classic Landau |
| 1975-1976,1979-1980 |
Chevrolet |
Caprice |
Classic Sport |
| 1973-1974 |
Chevrolet |
Caprice |
Estate |
| 1975 |
Chevrolet |
Caprice |
Estate Wagon |
| 1967-1968 |
Chevrolet |
Chevelle |
300 |
| 1967-1969 |
Chevrolet |
Chevelle |
300 Deluxe |
| 1964-1967,1970-1972 |
Chevrolet |
Chevelle |
Base |
| 1967-1972 |
Chevrolet |
Chevelle |
Concours |
| 1969-1972 |
Chevrolet |
Chevelle |
Concours Estate |
| 1965,1967,1973 |
Chevrolet |
Chevelle |
Deluxe |
| 1969-1972 |
Chevrolet |
Chevelle |
Greenbrier |
| 1968-1972 |
Chevrolet |
Chevelle |
Malibu |
| 1968-1972 |
Chevrolet |
Chevelle |
Nomad |
| 1964-1972 |
Chevrolet |
Chevelle |
SS |
| 1965-1967 |
Chevrolet |
Chevy II |
Base |
| 1965-1968 |
Chevrolet |
Chevy II |
Nova |
| 1965-1967 |
Chevrolet |
Chevy II |
Nova SS |
| 1962-1972,1974,1977-1981 |
Chevrolet |
Corvette |
Base |
| 1978 |
Chevrolet |
Corvette |
Indianapolis 500 Pace Car |
| 1978 |
Chevrolet |
Corvette |
Silver Anniversary Edition |
| 1975-1976 |
Chevrolet |
Corvette |
Stingray |
| 1966-1979 |
Chevrolet |
El Camino |
Base |
| 1975-1977 |
Chevrolet |
El Camino |
Classic |
| 1977-1978 |
Chevrolet |
El Camino |
Conquista |
| 1968-1974 |
Chevrolet |
El Camino |
Custom |
| 1979 |
Chevrolet |
El Camino |
Royal Knight |
| 1969-1979 |
Chevrolet |
El Camino |
SS |
| 1975-1980 |
Chevrolet |
G10 |
Beauville |
| 1986 |
Chevrolet |
G10 |
Bonaventure |
| 1975-1980 |
Chevrolet |
G10 |
Chevy Van |
| 1975-1986 |
Chevrolet |
G10 |
Sportvan |
| 1970-1974 |
Chevrolet |
G10 Van |
Base |
| 1970-1974 |
Chevrolet |
G10 Van |
Sportvan |
| 1975-1982,1984-1986 |
Chevrolet |
G20 |
Beauville |
| 1984 |
Chevrolet |
G20 |
Bonaventure |
| 1975-1982,1984-1986 |
Chevrolet |
G20 |
Chevy Van |
| 1978-1981 |
Chevrolet |
G20 |
Nomad |
| 1975-1986 |
Chevrolet |
G20 |
Sportvan |
| 1970-1974 |
Chevrolet |
G20 Van |
Base |
| 1970-1974 |
Chevrolet |
G20 Van |
Sportvan |
| 1975-1986 |
Chevrolet |
G30 |
Beauville |
| 1983-1984 |
Chevrolet |
G30 |
Bonaventure |
| 1975-1986 |
Chevrolet |
G30 |
Chevy Van |
| 1975-1986 |
Chevrolet |
G30 |
Hi-Cube |
| 1975-1986 |
Chevrolet |
G30 |
Sportvan |
| 1970-1974 |
Chevrolet |
G30 Van |
Base |
| 1970-1974 |
Chevrolet |
G30 Van |
Sportvan |
| 1962-1985 |
Chevrolet |
Impala |
Base |
| 1975-1977 |
Chevrolet |
Impala |
Custom |
| 1976 |
Chevrolet |
Impala |
Custom Landau |
| 1981-1982 |
Chevrolet |
Impala |
Estate |
| 1977-1979 |
Chevrolet |
Impala |
Landau |
| 1976 |
Chevrolet |
Impala |
S |
| 1975-1976,1979-1980 |
Chevrolet |
Impala |
Sport |
| 1964-1967 |
Chevrolet |
Impala |
SS |
| 1975-1980 |
Chevrolet |
K10 |
Cheyenne |
| 1982-1986 |
Chevrolet |
K10 |
Custom |
| 1975-1980 |
Chevrolet |
K10 |
Custom Deluxe |
| 1975-1980,1982-1986 |
Chevrolet |
K10 |
Scottsdale |
| 1975-1980,1982-1986 |
Chevrolet |
K10 |
Silverado |
| 1966-1974 |
Chevrolet |
K10 Pickup |
Base |
| 1968-1974 |
Chevrolet |
K10 Suburban |
Base |
| 1981-1986 |
Chevrolet |
K10 Suburban |
Custom |
| 1975-1980 |
Chevrolet |
K10 Suburban |
Custom Deluxe |
| 1981 |
Chevrolet |
K10 Suburban |
Deluxe |
| 1975-1980,1982,1984-1986 |
Chevrolet |
K10 Suburban |
Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 |
Chevrolet |
K10 Suburban |
Silverado |
| 1975-1981 |
Chevrolet |
K20 |
Cheyenne |
| 1981-1986 |
Chevrolet |
K20 |
Custom |
| 1975-1980 |
Chevrolet |
K20 |
Custom Deluxe |
| 1981 |
Chevrolet |
K20 |
Deluxe |
| 1975-1986 |
Chevrolet |
K20 |
Scottsdale |
| 1975-1983,1985-1986 |
Chevrolet |
K20 |
Silverado |
| 1966-1974 |
Chevrolet |
K20 Pickup |
Base |
| 1968-1970,1972-1974 |
Chevrolet |
K20 Suburban |
Base |
| 1981-1986 |
Chevrolet |
K20 Suburban |
Custom |
| 1975-1980 |
Chevrolet |
K20 Suburban |
Custom Deluxe |
| 1981 |
Chevrolet |
K20 Suburban |
Deluxe |
| 1975-1980,1982,1984-1986 |
Chevrolet |
K20 Suburban |
Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 |
Chevrolet |
K20 Suburban |
Silverado |
| 1977-1981 |
Chevrolet |
K30 |
Cheyenne |
| 1981-1986 |
Chevrolet |
K30 |
Custom |
| 1977-1980 |
Chevrolet |
K30 |
Custom Deluxe |
| 1981 |
Chevrolet |
K30 |
Deluxe |
| 1977-1986 |
Chevrolet |
K30 |
Scottsdale |
| 1977-1986 |
Chevrolet |
K30 |
Silverado |
| 1968-1974 |
Chevrolet |
K30 Pickup |
Base |
| 1976 |
Chevrolet |
K5 Blazer |
Base |
| 1975-1980 |
Chevrolet |
K5 Blazer |
Cheyenne |
| 1981-1986 |
Chevrolet |
K5 Blazer |
Custom |
| 1975,1977-1980 |
Chevrolet |
K5 Blazer |
Custom Deluxe |
| 1981 |
Chevrolet |
K5 Blazer |
Deluxe |
| 1984 |
Chevrolet |
K5 Blazer |
Scottsdale |
| 1978,1980-1986 |
Chevrolet |
K5 Blazer |
Silverado |
| 1969-1972 |
Chevrolet |
Kingswood |
Base |
| 1969-1972 |
Chevrolet |
Kingswood |
Estate |
| 1974-1975 |
Chevrolet |
Laguna |
Base |
| 1975-1976 |
Chevrolet |
Laguna |
S3 |
| 1974 |
Chevrolet |
Laguna |
Type S-3 |
| 1964-1967,1974-1981 |
Chevrolet |
Malibu |
Base |
| 1974-1979 |
Chevrolet |
Malibu |
Classic |
| 1975-1976,1978-1979 |
Chevrolet |
Malibu |
Classic Estate |
| 1976-1979 |
Chevrolet |
Malibu |
Classic Landau |
| 1977,1979 |
Chevrolet |
Malibu |
Classic Sport |
| 1974,1979-1980 |
Chevrolet |
Malibu |
Estate |
| 1976,1979 |
Chevrolet |
Malibu |
Landau |
| 1979 |
Chevrolet |
Malibu |
Police |
| 1977,1979-1980 |
Chevrolet |
Malibu |
Sport |
| 1970-1974 |
Chevrolet |
Monte Carlo |
Base |
| 1973-1974,1976 |
Chevrolet |
Monte Carlo |
Landau |
| 1973,1975-1977 |
Chevrolet |
Monte Carlo |
S |
| 1975-1976 |
Chevrolet |
Monza |
2+2 |
| 1976 |
Chevrolet |
Monza |
2+2 Spyder |
| 1976 |
Chevrolet |
Monza |
Base |
| 1975 |
Chevrolet |
Monza |
S |
| 1969-1971,1974-1979 |
Chevrolet |
Nova |
Base |
| 1976-1977 |
Chevrolet |
Nova |
Concours |
| 1974-1975,1978-1979 |
Chevrolet |
Nova |
Custom |
| 1975 |
Chevrolet |
Nova |
LN |
| 1975-1978 |
Chevrolet |
Nova |
Police |
| 1977-1979 |
Chevrolet |
Nova |
Rally |
| 1976 |
Chevrolet |
Nova |
SS |
| 1966 |
Chevrolet |
Suburban |
Base |
| 1969-1972 |
Chevrolet |
Townsman |
Base |
| 1975-1978 |
GMC |
C15 |
Base |
| 1977-1978 |
GMC |
C15 |
Heavy Half |
| 1975-1978 |
GMC |
C15 |
High Sierra |
| 1977 |
GMC |
C15 |
Indy Hauler |
| 1975-1978 |
GMC |
C15 |
Sierra Classic |
| 1975-1978 |
GMC |
C15 |
Sierra Grande |
| 1978 |
GMC |
C15 |
Street Coupe |
| 1975-1978 |
GMC |
C15 Suburban |
Base |
| 1975-1978 |
GMC |
C15 Suburban |
High Sierra |
| 1975-1978 |
GMC |
C15 Suburban |
Sierra Classic |
| 1975-1978 |
GMC |
C15 Suburban |
Sierra Grande |
| 1967-1971,1973-1974 |
GMC |
C15/C1500 Pickup |
Base |
| 1967-1974 |
GMC |
C15/C1500 Suburban |
Base |
| 1979-1986 |
GMC |
C1500 |
Base |
| 1979-1980 |
GMC |
C1500 |
Heavy Half |
| 1979-1986 |
GMC |
C1500 |
High Sierra |
| 1979-1986 |
GMC |
C1500 |
Sierra Classic |
| 1979-1982 |
GMC |
C1500 |
Sierra Grande |
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