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Edelbrock 60979 - Edelbrock Performer RPM E-TEC Aluminum Heads For Small Block Chevy

Edelbrock 60979 - Edelbrock Performer RPM E-TEC Aluminum Heads For Small Block Chevy

Edelbrock#350-60979

SB-Chevy 302-400ci Performer RPM E-TEC Aluminum Cylinder Head
  • 170cc Intake Ports
  • 64cc Combustion Chambers
  • 1.940'' Int/1.550'' Exh Valves
  • 1.460'' Valve Springs, .575'' Max Lift
  • 3/8'' Rocker Studs
  • Assembled, Sold Individually

    Edelbrock 60979 - Edelbrock Performer RPM E-TEC Aluminum Heads For Small Block Chevy Details

    Performer RPM E-TEC 170 Aluminum Cylinder Heads

    Feature 170cc Vortec-shaped intake and 65cc exhaust ports. Flow 20% more on the exhaust side than cast iron Vortec heads and produce power up to 6000 RPM. 64cc combustion chamber gives about 9.2:1 compression ratio with stock pistons in a 350. Includes 1.94'' intake and 1.55'' exhaust valves.

    Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230'' shorter than a conventional spark plug and have a 5/8'' hex for easier access.

    Edelbrock 60979 - Edelbrock Performer RPM E-TEC Aluminum Heads For Small Block Chevy

    Engineered to greatly increase performance and efficiency, E-TEC heads fit SB-Chevy 302-400ci engines with ''Vortec'' style intake manifolds. These powerful heads incorporate Edelbrock's high-quench combustion chamber which promotes a more uniform atomization of the air/fuel mixture for more power. Spark plugs have been positioned closer to the center of the cylinder for more efficient combustion. Swirl-polished stainless steel valves provide maximum flow. They accept center bolt or standard valve covers, work with most stock exhaust manifolds and have intake and exhaust ports that are .200'' taller than typical SB-Chevy heads. Match these heads with an Edelbrock Vortec intake manifold for the best results.

    RPM E-Tec heads are dual-drilled and will accept 1987-95 centerbolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds.

    Performer RPM E-TEC 170
  • 20% more exhaust flow than cast iron Vortec heads, good power up to 6,000 RPM
  • 64cc combustion chambers produce 9.5:1 compression with stock pistons on a 350ci engine
  • E-Tec 170 heads are 50-state street legal, E.O. Number D-215-49

    Performer RPM E-TEC 200
  • Outflow similar aluminum heads by 10% on the intake and 17% on the exhaust side
  • Make power up to 6,500 RPM
  • 64cc combustion chambers produce 10.2:1 compression with flat-top pistons in 350ci engines
  • CARB E.O. number pending

    Performer RPM E-TEC Aluminum Cylinder Head Specifications
    Performer RPM E-Tec:170200
    Combustion Chamber Volume64cc
    *Intake Runner Volume170cc200cc
    *Exhaust Runner Volume70cc80cc
    *Intake Valve Diameter1.94"2.02"
    *Exhaust Valve Diameter1.55"1.60"
    Valve Stem Diameter11/32"
    Valve GuidesManganese Bronze
    Deck Thickness5/8"
    Valve Spring Diameter1.46"
    Valve Spring Maximum Lift0.575"
    Rocker Stud3/8"
    GuideplateHardened Steel
    Pushrod Diameter5/16"
    Valve Angle23°
    Exhaust Port LocationStock
    Spark Plug Fitment14mm x 3/4" reach, gasket seat
    Made InUSA
    *Differences Between The 170 & 200 Heads

  • Edelbrock 350-60979

    Emission
    50 State Legal
    Engine Make/Size
    Chevy Small Block (262-400)
    Type
    Complete
    Usage
    Street/Performance
    Cylinder Head Type
    Standard
    Preparation
    Bolt On (Not Required)
    Finish
    Cast Aluminum
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