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Edelbrock 60889

Performer RPM Cylinder Head for Small Block Chevy

Edelbrock 60889

350-60889

made in usa
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Edelbrock 60889 Performer RPM Cylinder Head for Small Block Chevy $549.50
  • 1986 & Earlier Small Block Chevy 302-400ci
  • Port Volumes: 195cc/65cc
  • Combustion Chamber size: 64cc
  • Straight Spark Plug
  • Bare Head, Sold Each

  • Edelbrock 60889 Details

    Performer RPM Small Block Aluminum Straight Plug Cylinder Heads

    Designed for non-emissions 302, 327, 350 and 400 c.i.d. engines up to 1986, these heads made 420 horsepower with the Performer RPM Power Package for small-block Chevys. Performer RPM heads with 64cc combustion chambers improve performance and retain stock compression ratio on 1970 and earlier small-blocks. Hardened pushrods are required.
    Installation Notes: When using stock rockers on S/B Chevy Performer & Performer RPM heads, .100'' longer than stock pushrods are required. Due to valve-to-cylinder bore interference, SB-Chevy heads may not be used on engines with less than 4'' bore (262, 265, 283, 305, 307 c.i.d.) except with camshafts having less than .450'' valve lift.

    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.

    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
    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Volume (cc)
    64
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Bare
    Damper Spring Included
    No
    Exhaust Port Location
    Standard
    Exhaust Port Shape
    Round
    Exhaust Runner Volume (cc)
    65
    Exhaust Valve Diameter (in.)
    1.6
    Exhaust Valves Included
    No
    Guideplates Included
    No
    Heat Crossover
    No
    Intake Port Location
    Standard
    Intake Runner Volume (cc)
    185
    Intake Valve Angle
    23
    Intake Valve Diameter (in.)
    2.02
    Intake Valves Included
    No
    Locks Included
    No
    Machined for O-Ring
    No
    Oiling Style
    Through pushrod
    Quantity
    Sold individually
    Retainers Included
    No
    Rocker Arm Nuts Included
    No
    Rocker Arm Studs Included
    No
    Rocker Arms Included
    No
    Spark Plug Style
    Straight
    Steam Holes Drilled
    No
    Valve Cover Mounting Style
    Perimeter bolt
    Valve Guide Material
    Manganese bronze
    Valve Guides Included
    Yes
    Valve Seat Material
    Powdered metal
    Valve Seats Machined
    No
    Valve Springs Included
    No
    Valve Stem Seals Included
    No
    Manufacturer's Part Number:
    60889

    Edelbrock Performer RPM Small Block Cylinder Heads
    The Performer RPM Small Block aluminum cylinder heads are designed for Small Block Chevy 302, 327, 350 and 400ci engines up to 1986. These heads feature 195cc intake ports and 65cc exhaust ports with 2.02" intake and 1.60" exhaust valves and 1.46" valve springs that allow a .575" maximum lift. To use stock rockers on the Performer RPM, .100" longer than stock pushrods are required. Made In The USA!



    Features:
  • Available w/Polished Finish
  • Intake Runner Volume: 195cc
  • Exhaust Runner Volume: 65cc
  • Intake Valve Diameter: 2.02"
  • Exhaust Valve Diameter: 1.60"
  • Valve Guides: Manganese Bronze
  • Combustion Chamber Volume: 64cc & 70cc
  • Valve Spring Diameter: 1.46"
  • Valve Spring Max Lift: .575"
  • Valve Stem Diameter: 11/32"
  • Guideplate: Hardened Steel
  • Pushrod Diameter: 5/16"
  • Deck Thickness: 9/16"
  • Rocker Stud: 3/8"
  • Valve Angle: 23°
  • Made In The USA!

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