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RHS 12041 - RHS Pro Action Aluminum Small Block Chevy Cylinder Heads



RHS 12041 - RHS Pro Action Aluminum Small Block Chevy Cylinder Heads

JEGS Part Number: 784-12041

Pro Action 23° Bare Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Straight plug
  • $495.99

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    RHS 12041 - RHS Pro Action Aluminum Small Block Chevy Cylinder Heads Details

    23° Aluminum Cylinder Head

  • Intake Ports: 180cc
  • Valves: 2.020" Int/1.600" Exh
  • Spring Pocket Diameter: 1.550"
  • Bare

  • Clean Cast Technology
  • Variety Of Uses; Incl. Street Rods/Drag Racing
  • Can Use For Muscle Cars/Oval Track Racing Also

  • Specifications:

    Type
    Bare
    Engine Make/Size
    Chevy Small Block (262-400)
    Emission
    Non-Emissions
    Usage
    Street/Performance
    Cylinder Head Type
    Standard
    Preparation
    Requires Professional Preparation (Bare)
    Finish
    Cast Aluminum
    Manufacturer's Part Number:
    12041

    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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    1977-1979 GMC G25/G2500 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: VANDURA

    1980-1986 CHEVROLET C20 PICKUP

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

    1975 GMC SPRINT

    • EngineType: ALL
    • SubModel: CLASSIC

    1966-1968 CHEVROLET EL CAMINO

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

    1978 CHEVROLET MONTE CARLO

    • EngineType: V8
    • SubModel: SPORT

    1968-1969 CHEVROLET CAPRICE

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

    1981-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: MAGNAVAN

    1980-1981 CHEVROLET C10 PICKUP

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

    1986 GMC C3500 PICKUP

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

    1968-1969 GMC G15/G1500 VAN

    • EngineType: V8
    • SubModel: RALLY

    1983-1986 GMC G25/G2500 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: VANDURA

    1983-1986 GMC G35/G3500 VAN

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

    1982-1986 CHEVROLET C10 SUBURBAN

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

    1985-1986 GMC C2500 SUBURBAN

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

    1955 CHEVROLET CORVETTE

    • EngineType: V8
    • SubModel: BASE

    1974 GMC K35/K3500 PICKUP

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

    1964-1967 CHEVROLET CHEVY II

    • EngineType: V8
    • SubModel: NOVA SS

    1976-1982 CHEVROLET C20 SUBURBAN

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

    1955-1957 CHEVROLET TWO-TEN SERIES

    • EngineType: V8
    • SubModel: DEL RAY

    1987-1989 GMC G15/G1500 VAN

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

    1967 GMC G25/G2500 VAN

    • EngineType: V8
    • SubModel: BASE

    1961-1965 CHEVROLET K10 PICKUP

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

    1969-1971 CHEVROLET BEL AIR

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

    1980-1986 CHEVROLET C30 PICKUP

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

    1977-1979 CHEVROLET IMPALA

    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET MALIBU

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

    1982 GMC JIMMY

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

    1974 CHEVROLET G20 VAN

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

    1975-1977 CHEVROLET C10 SUBURBAN

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

    1981 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1977 CHEVROLET MONZA

    • EngineType: V8
    • SubModel: TOWNE COUPE SPORT

    1978-1979 CHEVROLET MONZA

    • EngineType: V8
    • SubModel: S

    1972 CHEVROLET CHEVELLE

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

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: 300 DELUXE

    1977 CHEVROLET MONZA

    • EngineType: V8
    • SubModel: MIRAGE

    1975-1982 CHEVROLET C20 PICKUP

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

    1979-1986 GMC C2500 PICKUP

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

    1982-1986 CHEVROLET K10 SUBURBAN

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

    1967 GMC C25/C2500 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET C20 PICKUP

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

    1982-1985 GMC K1500 SUBURBAN

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

    1979 CHEVROLET CAPRICE

    • EngineType: V8
    • SubModel: CLASSIC SPORT

    1973 CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: RS
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8

    1985 CHEVROLET C10 PICKUP

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

    1972-1974 CHEVROLET NOVA

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

    1979 CHEVROLET IMPALA

    • EngineType: V8
    • SubModel: SPORT

    1975-1980 GMC G25/G2500 VAN

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

    1975-1980 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SPORTVAN

    1980-1986 CHEVROLET C30 PICKUP

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

    1980 CHEVROLET MONTE CARLO

    • EngineType: V8
    • SubModel: SPORT

    1969-1973 GMC C15/C1500 SUBURBAN

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

    1961-1965 CHEVROLET C20 PICKUP

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

    1982 GMC C2500 SUBURBAN

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

    1974 CHEVROLET MALIBU

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

    1981-1982 CHEVROLET G20 VAN

    • EngineType: V8
    • SubModel: BEAUVILLE

    1975-1976 CHEVROLET MONTE CARLO

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

    1974 CHEVROLET IMPALA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1979-1980 CHEVROLET MALIBU

    • EngineType: V8
    • SubModel: SPORT

    1967 GMC G15/G1500 VAN

    • EngineType: V8
    • SubModel: BASE

    1968 CHEVROLET CHEVY II

    • Liter: 5.7
    • EngineType: V8
    • SubModel: NOVA

    1980 CHEVROLET C20 SUBURBAN

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

    1981 CHEVROLET K20 SUBURBAN

    • EngineType: V8
    • SubModel: DELUXE

    1974-1976 CHEVROLET EL CAMINO

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

    1981 CHEVROLET C10 PICKUP

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

    1968 GMC K1500 PICKUP

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

    1984-1986 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: SS

    1982 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BASE

    1972 CHEVROLET CHEVELLE

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

    1977-1978 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: LT

    1970-1980 CHEVROLET G20 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SPORTVAN

    1972 CHEVROLET NOVA

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

    1981 GMC K1500 PICKUP

    • EngineType: V8
    • SubModel: SIERRA CLASSIC

    1977-1979 CHEVROLET BLAZER K5

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

    1985 CHEVROLET K10 SUBURBAN

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

    1968 CHEVROLET CHEVELLE

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

    1983-1986 GMC G35/G3500 VAN

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

    1962-1969 CHEVROLET BISCAYNE

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

    1974 GMC C25/C2500 PICKUP

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

    1972 CHEVROLET EL CAMINO

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

    1980 GMC C1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: HEAVY HALF

    1976 CHEVROLET MALIBU

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

    1980 GMC K1500 SUBURBAN

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

    1970-1972 CHEVROLET G30 VAN

    • EngineType: V8
    • SubModel: BASE

    1982-1986 CHEVROLET BLAZER K5

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

    1985 CHEVROLET K30 PICKUP

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

    1968 CHEVROLET C20 PICKUP

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

    1981 GMC K2500 SUBURBAN

    • EngineType: V8
    • SubModel: HIGH SIERRA

    1985-1986 GMC CABALLERO

    • EngineType: V8
    • SubModel: DIABLO

    1971-1973 GMC SPRINT

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

    1968-1973 GMC C25/C2500 PICKUP

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

    1980 CHEVROLET CAPRICE

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

    1980 CHEVROLET C20 SUBURBAN

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

    1975 CHEVROLET IMPALA

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

    1985 CHEVROLET C20 PICKUP

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

    1980 CHEVROLET IMPALA

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

    1981-1982 CHEVROLET G30 VAN

    • EngineType: V8
    • SubModel: CHEVY VAN

    1965 CHEVROLET CHEVELLE

    • Liter: 4.6
    • EngineType: V8
    • SubModel: SS

    1982-1986 GMC C2500 SUBURBAN

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

    1981 CHEVROLET G20 VAN

    • EngineType: V8
    • SubModel: BASE

    1960 CHEVROLET BISCAYNE

    • Liter: 4.6
    • EngineType: V8
    • SubModel: FLEETMASTER