Made in USA
5089 *USED - E-Street Cylinder Heads 1986 & Earlier Small Block Chevy 185cc Intake Ports 64cc Combustion Chambers
Product Discontinued
EDELBROCKPART NUMBER: 350-5089U

5089 *USED - E-Street Cylinder Heads 1986 & Earlier Small Block Chevy 185cc Intake Ports 64cc Combustion Chambers

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

Chevy Small Block
    *USED - E-Street Cylinder Heads
  • 1986 & Earlier Small Block Chevy
  • 185cc Intake Ports
  • 64cc Combustion Chambers
  • 2.02"/1.60" Valves
  • 1.46" Valve Springs
  • Max Lift: .550" Hydra Flat Tappet
  • 3/8" Rocker Stud
  • USED

    Specifications:

  • Chamber Volume: 64cc
  • Deck Thickness: 9/16"
  • Valve Spring Diameter: 1.46"
  • Max Lift: .550"
  • Valve Spring Installed Height: 1.750"
  • Rocker Studs: 3/8" with Guide Plate
  • Pushrod Diameter: 5/16"
  • Intake Port Volume: 185cc
  • Intake Valve Diameter: 2.02"
  • Exhaust Port Volume: 60cc
  • Exhaust Valve Diameter: 1.60"

    Technical Notes:
    Use with hydraulic camshafts less than .550" max lift. Not compatible with hydraulic roller camshafts. Recommended spark plugs are Champion RC12YC or equivalent 14mm x ¾" reach with flat gasket seat. Requires hardened pushrods. Staight plug heads.


    Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
    Valve Lift .100" .200" .300" .400" .500" .600" .700"
    Intake 63 125 182 225 248 249 -
    Exhaust 51 99 131 153 163 168 -
BrandEDELBROCK
Package Height15.0
Package Width24.0
Package Length36.0
Weight40.0 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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