Made in USA
Performer RPM Chevy W-Series 348/409 Polished Cylinder Heads
Product Discontinued
EDELBROCKPART NUMBER: 350-608115

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

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Performer RPM Aluminum Cylinder Heads - Hydraulic Roller Camshaft
  • 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

    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
    .100'6760
    .200'148118
    .300'221157
    .400'256184
    .500'266204
    .600'273216
    .700'277221
    Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Part TypeCylinder Head
BrandEDELBROCK
Part CategoryPerformance Parts
UsageStreet/Performance
TypeComplete
PreparationBolt On (Not Required)
EmissionNon-Emissions
Cylinder Head TypeStandard
FinishPolished
Engine Make/SizeChevy Big Block (396-502)
Vendor Part Number608115
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
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