E-Street Big-Block Chevy Head, Cylinder Head Oval Port, BARE Single

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The Edelbrock #50449 E-Street cylinder 290 Oval Port heads are designed for Big-Block applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. For use on pre-pollution controlled vehicles only.

Documents & Installation Notes



Availability Available
Application Application Specific
GTIN 00085347504497
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Match with Edelbrock head gasket sets.
  • Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using.
  • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat
  • Designed for entry-level street performance engines and ideal for operating in the idle to 5500 rpm range
  • Includes hardened spring cups and Heli-Coil® threaded inserts in the rocker stud bosses for increased strength; these are the details that most low-cost competitors leave out of their heads.
  • These cylinder heads are sold separately and Made in the USA!
CNC Ported No
Combustion Chamber Volume 110.0 cc
Deck Height 9.8 in
Deck Thickness 0.562 in
Guide Plates Included Yes
Intake Runner Volume 220.0 cc
Material Aluminum
Push Rod Diameter 0.375 in
Valve Angle 26 deg