Edelbrock E-Street Big Block Chevy Cylinder Head Oval COMPLETE Single

Edelbrock:
50459
$929.50

Edelbrock E-Street Big Block Chevy Cylinder Head Oval COMPLETE Single

The Edelbrock #50459 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.

-1975 Chevrolet C10-1976 Chevrolet C10-1977 Chevrolet C10-1978 Chevrolet C10-1979 Chevrolet C10-1979 GMC C1500-1979 GMC C2500-1979 GMC C3500-1980 Chevrolet C10-1980 GMC C1500-1980 GMC C2500-1980 GMC C3500-1981 GMC C2500-1981 GMC C3500-1982 GMC C2500-1982 GMC C3500-1983 GMC C2500-1983 GMC C3500-1984 GMC C2500-1984 GMC C3500-1985 GMC C2500-1985 GMC C3500-1986 GMC C2500-1986 GMC C3500-1988 Chevrolet C3500-1988 GMC C3500-1989 Chevrolet C3500-1989 GMC C3500-1990 Chevrolet C1500-1990 Chevrolet C3500-1990 GMC C3500-1991 Chevrolet C1500-1991 Chevrolet C2500-1991 Chevrolet C3500-1991 GMC C2500-1991 GMC C3500-1992 Chevrolet C1500-1992 Chevrolet C2500-1992 Chevrolet C3500-1992 GMC C2500-1992 GMC C3500-1993 Chevrolet C1500-1993 Chevrolet C2500-1993 Chevrolet C3500-1993 GMC C2500-1993 GMC C3500-1994 Chevrolet C2500-1994 Chevrolet C3500-1994 GMC C2500-1994 GMC C3500-1995 Chevrolet C2500-1995 Chevrolet C3500-1995 GMC C2500-1995 GMC C3500

Installation Notes    

    Match with Edelbrock head gasket sets.
    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    10.2 in
Deck Thickness    0.562 in
Exhaust Valve Diameter    1.880 in
Guide Plates Included    Yes
Intake Runner Volume    220.0 cc
Intake Valve Diameter    2.190 in
Material    Aluminum
Push Rod Diameter    0.375 in
Rocker Stud Diameter    0.437 in
Valve Angle    26 deg
Valve Spring Diameter    1.500 in
Valve Spring Maximum Lift    0.700 in
Valve Stem Diameter    0.341 in

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following C10 years:

This product will fit the following Sierra years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Sierra 2500/3500 years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Silverado years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Silverado 2500/3500 years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,
Only registered users can ask/answer questions. Please sign in or create an account.
Write Your Own Review
Only registered users can write reviews. Please sign in or create an account.