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Edelbrock 50459 E-Street Cylinder Head 290cc Oval Port Big Block Chevy

(Chevrolet Camaro 1967-72, Corvette 1965-74, Impala 1963, 1965-76, Malibu 1965-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74 + 92 more models)

Manufacturer

Picture for manufacturer Edelbrock

Part Number

50459
8 reviews
Sale Price

$1,299.95

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The Edelbrock E-Street Cylinder Head #50459 is an American-made, entry-level performance cylinder head designed specifically for Big-Block Chevrolet applications. Engineered for street performance engines operating in the idle-to-5500 RPM range, this head delivers improved airflow and efficiency at an affordable price point.

Key Features:

  • 290cc oval port design moves more air than stock heads for improved power and efficiency
  • As-cast port finish optimized for street performance applications
  • Modern combustion chamber design enhances the combustion process for better power delivery
  • Larger intake and exhaust ports compared to stock castings
  • Ideal RPM range: idle to 5500 RPM
  • American-made quality construction

This E-Street cylinder head provides an excellent balance of performance and value for street-driven Big-Block Chevy engines. The improved port design and combustion chamber geometry work together to increase airflow and optimize burn efficiency. For use on pre-emission controlled vehicles only.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1965-74, Impala 1963, 1965-76, Malibu 1965-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74, C10 Pickup 1968-74, Caprice 1966-76, C10 1975-80, El Camino 1966-75, Monte Carlo 1970-75 + 87 more models

Intake Valve Diameter

2.19

Valve Angle

26

Guide Plate Material

Hardened Steel

Seat Angle

Exhaust 45 deg/Intake 45

Valve Included

Yes

Exhaust Runner Volume

110

Camshaft Type

Flat Tappet

Combustion Chamber Volume

110

Material

Aluminum

Family

E-Street

RGL

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 www.P65warnings.ca.gov.

CNC Ported

Yes

Exhaust Port Location

Standard

Horsepower

400-500

Valve Spring Diameter

1.50

EGR Port

No

Exhaust Valve Diameter

1.88

Grade Type

Performance

Intake Runner Volume

290

Deck Thickness

0.5625

Retainer Included

Yes

Series

E-Street

Seat Material

Ductile Iron

Push Rod Diameter

(Suggested) 0.4375

Valve Springs Included

Yes

Guide Plates Included

Yes

Valve Stem Diameter

0.3438

Construction Type

Complete

Guide Material

Manganese Bronze

Valve Spring Maximum Lift

0.700

Rocker Stud Diameter

0.4375

Quantity

Sold individually

Rocker Arm Stud Diameter

0.4375

quick and easy

Great Bosch battery for my Glk350 mercedes

Good

Easy and fast service

..

good so far..we will see how quick they ship

Shopping was easy. We'll see how prompt the delivery is, quality of the product, and if its damage free... Fingers crossed.

it is exactly the item l needed

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