E-Street™ Cylinder Heads For S/B Chevy


E-Street™ Cylinder Heads For S/B Chevy by Edelbrock
 
  • Cylinder Head Specifications:
  • Combustion chamber volume: 70cc / 64cc
  • Intake runner volume: 185cc
  • Exhaust runner volume: 60cc
  • Intake valve diameter: 2.02"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Manganese bronze
  • Deck thickness: 9/16"
  • Valve spring diameter: 1.460"
  • Valve spring maximum lift: .550"
  • Rocker stud: 3/8" with guide plate
  • Guideplate: Hardended steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat
 
    E-STREET™ S/B CHEVY FEATURES:
  • Feature as-cast ports and are designed for entry-level street performance 1955-86 applications
  • Designed for use with hydraulic flat tappet camshafts only, not compatible with hydraulic roller camshafts
  • All E-Street cylinder heads are sold in pairs
  • Dyno tests showed a gain of 16 hp and 11 ft-lbs of torque over our overseas competitor
  Bare (Single) Complete (Pair)
Application Dyno Emissions Satin Satin
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS
E-Street (straight plugs) (70cc) - 5072 5073
E-Street (straight plugs) (64cc) - 5088 5089
Edelbrock Installation Note INSTALLATION NOTE: Use with Hydraulic Flat Tappet Camshafts .550" max lift. (NOT Compatible with Hydraulic Roller Camshafts)Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Requires hardened pushrods. Not legal for sale or use on pollution controlled motor vehicles.
#5073 | #5089: 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 -
Edelbrock Tech Note TECH NOTE: Please view Cylinder Head Flow Data and Valve Springs & Retainers for all Edelbrock Performance Aluminum Cylinder Heads.
Edelbrock Tech Note PRODUCT EMISSIONS GUIDE
The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. Learn more about Edelbrock Product Emissions Guide.

    50-State Legal
    For Racing Use ONLY
    For Use on Pre-Pollution Controlled Vehicles (PPCV)
    Stock Replacement Part
    Engine Swaps