1PR SMALL-BLOCK CHEVY E-STREET CYLINDER HEAD 70CC PAIR 5073

Edelbrock

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    SKU:
    5073
    This item is currently out of stock, but can still be ordered. We will contact you with an estimated delivery date once we receive your order.
    $1,268.95

    1PR SMALL-BLOCK CHEVY E-STREET CYLINDER HEAD 70CC PAIR 5073

    Edelbrock

      No reviews yet Write a Review
      SKU:
      5073
      This item is currently out of stock, but can still be ordered. We will contact you with an estimated delivery date once we receive your order.
      $1,268.95
      $1,268.95
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      Description

      Edelbrock E Street Aluminum Cylinder Heads # 5073

      Cylinder Heads E-Street, Aluminum, Assembled, 70cc Chamber, 185cc Intake Runner, Chevy, 302/327/350/400, Pair

      Designed for use with hydraulic camshafts less than .550 in. lift. Requires use of hardened pushrods.

      This all-new Edelbrock E-Street cylinder head is just right for the street performance crowd. Manufactured in the USA by Edelbrock, this E-Street cylinder head features A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. The modern combustion chamber design helps to improve the combustion process and their larger-than-stock intake and exhaust ports help to move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential.

      This E-Street cylinder head has been assembled with manganese bronze valve guides, powder metal interlocking valve seats, stainless steel one-piece valves with hardened tips, damper springs, 3/8 in. screw-in studs, and guideplates. Is ideal for street performance engines (300 hp to 400 hp)operating in the idle to 5,500 rpm range.

      Combustion chamber volume 70cc 
      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 1.25"
      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
      Made In USA

       

       

      Technical Notes: Use with hydraulic camshafts .550" max lift. 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.


      Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
      #5073, #5089
      Valve Lift .100" .200" .300" .400" .500" .600" .700"
      Intake 63 125 182 225 248 249 -
      Exhaust 51 99 131 153 163 168 -

       

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      Extra Information

      Brand:
      Edelbrock
      Engine Make:
      Edelbrock