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Edelbrock Performer RPM Chevy W-Series 348/409 Polished Cylinder Heads

Edelbrock 608115
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Product images may differ from actual product appearance.


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Edelbrock Performer RPM Chevy W-Series 348/409 Polished Cylinder Heads $1,429.50
  • 1958-1965 Chevy "W" Series Big Block
  • Valve Springs for Hydraulic Roller Camshaft
  • Port Volumes: 220cc/115cc
  • Valve Size: 2.19"/1.72"
  • 16cc Combustion Chamber
  • Polished Finish
  • Assembled, Sold Individually

  • Edelbrock 608115 Details

    Performer RPM Aluminum Cylinder Heads - Hydraulic Roller Camshaft

    Installation Notes

  • Original port locations and valve angles for bolt-on convenience
  • Hardened spring cups, screw-in rocker studs and hardened guideplates
  • Valve lift must be less than .550" on 348 engines.
  • Will only fit 1958-1965 348 if using Edelbrock 350-5409, 350-7159, or stock large port 409 intake manifolds.
  • 1958 348 c.i.d. applications will require modifications to cylinder head (contact Edelbrock tech department for detailed information)
  • Proper cylinder wall notching must be checked to ensure exhaust valve to cylinder clearance.

    Combustion Chamber Volume:16cc
    Intake Runner Volume:215cc
    Exhaust Runner Volume:115cc
    Intake Valve Diameter:2.19''
    Exhaust Valve Diameter:1.72''
    Valve Stem Diameter:11/32''
    Valve Guides:Manganese Bronze
    Deck Thickness:9/16''
    Valve Spring Diameter:1.55''
    Valve Spring Maximum Lift:0.600''
    Rocker Stud:7/16''
    Guideplate:Hardened Steel
    Pushrod Diameter:3/8''
    Valve Angle:
    Exhaust Port Location:Stock
    Spark Plug Fitment:14mm x 3/4'' Reach,
    Gasket Seat

    Valve LiftIntakeExhaust
    Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O

  • Specifications:

    Engine Make/Size
    Chevy Big Block (396-502)
    Cylinder Head Type
    Bolt On (Not Required)
    Manufacturer's Part Number:

    Designed for 1961-65 Chevrolet "W" series 348/409 big blocks engines. These heads have improved port design for more performance, original port locations and valve angles for bolt-on convenience; CNC port match 220cc intake and 115cc exhaust ports for optimum flow and power, hardened spring cups, screw-in rocker studs an hardened guideplates. Made In The USA!

  • Intake Runner Volume: 215cc
  • Exhaust Runner Volume: 115cc
  • Intake Valve Diameter: 2.19"
  • Exhaust Valve Diameter: 1.72"
  • Valve Stem Diameter: 11/32"
  • Valve Guides: Manganese Bronze
  • Deck Thickness: 9/16"
  • Valve Spring Diameter: 1.55"
  • Vavle Spring Maximum Lift: .600"
  • Rocker Stud: 7/16"
  • Guideplate: Hardened Steel
  • Pushrod Diameter: 3/8"
  • Valve Angle: 0
  • Exhaust Port Location: Stock
  • Spark Plug Fitment: 14mm x 3/4 Reach, Gasket Seat
  • Made In The USA:

  • is the price for 1 head or a pair

    Asked by: stevewhyhave this
    These are sold as each.
    Answered by: Jon Jegs Tech
    Date published: 2017-10-27
    • y_2018, m_7, d_20, h_24CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_3729000, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Some parts are not legal for use in California or other states with similar laws / regulations