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RHS 12042-02 - RHS Pro Action Aluminum Small Block Chevy Cylinder Heads



RHS 12042-02 - RHS Pro Action Aluminum Small Block Chevy Cylinder Heads
Representative Image
Product images may differ from actual product appearance.

Part Number: 784-12042-02

Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Angle plug
  • $759.99
    Ships 09/06/16
    if Ordered Today
    Made In USA
    Truck Freight: $99.00

    RHS 12042-02 - RHS Pro Action Aluminum Small Block Chevy Cylinder Heads Details

    23° Aluminum Cylinder Heads for Aggressive Flat Tappet/Hydraulic Roller Cams

  • Intake Ports: 180cc
  • Valves: 2.020" Int/1.600" Exh
  • Single Valve Springs: 1.460" (.560" max lift)
  • Assembled

  • Clean Cast Technology
  • For Hardcore Street/Race/Marine Performance
  • Enhanced Features; Superior Quality
  • Proven To Out-Perform The Competition

  • Specifications:

    Engine Make/Size
    Chevy Small Block (262-400)
    Type
    Complete
    Emission
    Non-Emissions
    Usage
    Street/Performance
    Cylinder Head Type
    Standard
    Preparation
    Bolt On (Not Required)
    Finish
    Cast Aluminum
    Manufacturer's Part Number:
    12042-02

    Optimal performance with reliability, Pro Action Heads deliver significant power and torque gains right out of the box for all Small Block Chevy applications. These cylinder heads are perfect for a variety of street rod, muscle car, oval track, and drag racing performance engines. Sold individually.

    Features
  • Advanced port/runner/chamber design
  • 180cc intake ports
  • 64cc or 72cc combustion chambers
  • Straight or angle plug configuration
  • Modified water jacket
  • Multi-angle Serdi valve job
  • Radiused exhaust valve seats for up to 5 percent more airflow than the competition

  • Does this fit your vehicle?

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    1982-1986 CHEVROLET C10 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1982-1986 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1981 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1969-1971 CHEVROLET C20 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967 CHEVROLET CHEVELLE

    • Liter: 4.6
    • EngineType: V8
    • SubModel: CONCOURS

    1983-1986 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: HI-CUBE

    1983-1986 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: VANDURA SPECIAL

    1974 CHEVROLET NOVA

    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1961-1966 CHEVROLET C20 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1967 GMC G15/G1500 VAN

    • EngineType: V8
    • SubModel: BASE

    1981-1986 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1967-1968 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: CONCOURS

    1973 CHEVROLET MONTE CARLO

    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8

    1979 CHEVROLET G30 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BEAUVILLE

    1969-1971 CHEVROLET K30 PICKUP

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1968 GMC K15/K1500 SUBURBAN

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1958-1961 CHEVROLET CORVETTE

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1981-1982 CHEVROLET G20 VAN

    • EngineType: V8
    • SubModel: BEAUVILLE

    1969-1973 GMC K25/K2500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1967-1968 CHEVROLET K20 PICKUP

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1984 CHEVROLET BLAZER K5

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1968 CHEVROLET K10 PICKUP

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1967 GMC C25/C2500 SUBURBAN

    • EngineType: V8
    • SubModel: BASE

    1969 CHEVROLET K20 PICKUP

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1981 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: DELUXE

    1968 CHEVROLET C10 SUBURBAN

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1981 GMC K2500 SUBURBAN

    • EngineType: V8
    • SubModel: SIERRA CLASSIC

    1981-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1968 GMC C15/C1500 SUBURBAN

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1964 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1981-1986 CHEVROLET C20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1968 GMC K15/K1500 SUBURBAN

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: MALIBU
    • CUI: 350
    • EngineType: V8

    1970-1972 CHEVROLET CHEVELLE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979 CHEVROLET BLAZER K5

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • SubModel: CONCOURS ESTATE
    • EngineType: V8

    1979-1986 GMC C2500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SIERRA CLASSIC

    1975 GMC SPRINT

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1979-1980 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY CAMPER SPECIAL

    1973 CHEVROLET MALIBU

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1968 GMC C25/C2500 PICKUP

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1970-1971 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1980 CHEVROLET CAPRICE

    • Liter: 5.7
    • SubModel: CLASSIC LANDAU
    • CUI: 350
    • EngineType: V8

    1976-1980 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: RALLY SPORT

    1968 CHEVROLET CHEVELLE

    • Liter: 5.3
    • EngineType: V8
    • SubModel: 300

    1978-1979 CHEVROLET MONZA

    • EngineType: V8
    • SubModel: BASE

    1979 GMC G15/G1500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY

    1967 CHEVROLET CHEVELLE

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1979-1980 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1979-1980 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8

    1979-1980 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1964-1969 CHEVROLET IMPALA

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1981 GMC K2500 PICKUP

    • EngineType: V8
    • SubModel: HIGH SIERRA

    1979-1982 GMC C2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1974 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1971 CHEVROLET NOVA

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1958 CHEVROLET BISCAYNE

    • Liter: 4.6
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1977-1978 GMC K25 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1969-1973 GMC C15/C1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1979-1980 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1969 CHEVROLET K10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1985-1986 CHEVROLET EL CAMINO

    • EngineType: V8
    • SubModel: BASE

    1982-1985 GMC K1500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1962-1965 CHEVROLET CORVETTE

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1976 CHEVROLET IMPALA

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET MALIBU

    • CC: 5736
    • Liter: 5.7
    • SubModel: ESTATE
    • CUI: 350
    • EngineType: V8

    1979 CHEVROLET K10 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1969-1971 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1977-1978 CHEVROLET G20 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SPORTVAN

    1975 CHEVROLET NOVA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V8

    1976 CHEVROLET IMPALA

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM LANDAU

    1973 CHEVROLET G10 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET LAGUNA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967-1968 CHEVROLET C30 PICKUP

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET MALIBU

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CLASSIC LANDAU

    1983 CHEVROLET MONTE CARLO

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8

    1980-1981 GMC JIMMY

    • EngineType: V8
    • SubModel: SIERRA CLASSIC

    1979-1980 CHEVROLET MALIBU

    • Liter: 4.4
    • SubModel: SPORT
    • CUI: 267
    • EngineType: V8

    1966 CHEVROLET SUBURBAN

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1987-1989 GMC G15/G1500 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RALLY

    1973 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8

    1980 CHEVROLET K10 SUBURBAN

    • EngineType: V8
    • SubModel: BASE

    1980-1981 GMC JIMMY

    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1968 CHEVROLET C30 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1982 CHEVROLET MALIBU

    • Liter: 4.4
    • EngineType: V8
    • SubModel: CLASSIC

    1979-1980 GMC K2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: HIGH SIERRA

    1979 CHEVROLET MALIBU

    • Liter: 4.4
    • EngineType: V8
    • SubModel: CLASSIC LANDAU

    1972 CHEVROLET EL CAMINO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SS
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8

    1976 CHEVROLET MONTE CARLO

    • CC: 5031
    • Liter: 5.0
    • SubModel: S
    • EngineType: V8

    1977-1979 CHEVROLET NOVA

    • EngineType: V8
    • SubModel: BASE

    1957-1960 CHEVROLET TRUCK

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1969-1971 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1971 GMC SPRINT

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET MALIBU

    • Liter: 5.7
    • EngineType: V8
    • SubModel: LANDAU

    1979-1983 GMC C3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SIERRA CLASSIC

    1975-1976 CHEVROLET IMPALA

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SPORT

    1968 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979-1980 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE
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