E-Street™ Cylinder Heads For S/B Ford


E-Street™ Cylinder Heads For S/B Ford by Edelbrock
 
  • Cylinder Head Specifications:
  • Combustion chamber volume: 60cc
  • Intake runner volume: 170cc
  • Exhaust runner volume: 60cc
  • Intake valve diameter: 1.90" / 2.02"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: N/A
  • Valve guides: Manganese bronze
  • Deck thickness: 5/8"
  • 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: N/A
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat
 
    E-STREET™ - 170cc FORD FEATURES:
  • Ideal for operating in the idle to 5500 rpm range
  • Use with hydraulic flat tappet camshafts, .550" maximum lift - not compatible with hydraulicroller camshafts
  • 289-302 with 7/16" head bolts require #9680 head bolt kit
  • 1.90" heads are ideal for stock pistons; 2.02" heads require additional piston to valve clearance
  Bare (Pair) Complete (Pair)
Application Dyno Emissions Satin Satin
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS
E-Street 170 with 1.90" intake valves - 5020 5023
E-Street 170 with 2.02" intake valves 5024 5025
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. 289-302 c.i.d. with 7/16" head bolts requires #9680 head bolt bushing kit. 1.90" heads are ideal for stock pistons; 2.02" heads require additional piston to valve clearance. Rocker arm studs & guide plates are not included with bare versions of E-Street cylinder heads.
#5023 | #5025: Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 65 121 174 216 242 249 -
Exhaust 42 92 130 150 162 168 -
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