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Edelbrock 60889 - Edelbrock Small Block Chevy Performer RPM Aluminum Cylinder Heads

Edelbrock 60889 - Edelbrock Small Block Chevy Performer RPM Aluminum Cylinder Heads

JEGS Part Number: 350-60889

Small Block Chevy Performer RPM Cylinder Head
  • 302-400ci
  • 195cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020"/1.600" Valves
  • 1.460" Valve Springs
  • Max Lift .575"
  • 3/8" Rocker Studs
  • Bare Head, Sold Each

    Edelbrock 60889 - Edelbrock Small Block Chevy Performer RPM Aluminum Cylinder Heads 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.

    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 185cc intake ports and 65cc exhaust ports with 2.020" intake and 1.600" exhaust valves and 1.460" 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!

  • Available w/Polished Finish
  • Intake Runner Volume: 185cc
  • 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!

  • Edelbrock 350-60889

    Engine Make/Size
    Chevy Small Block (262-400)
    Cylinder Head Type
    Requires Professional Preparation (Bare)
    Cast Aluminum
    Manufacturer's Part Number:
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