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#3255073
$1,588.95
/pair
Factory Shipped
Quantity
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Assembled Cylinder Head Style, Aluminum, Natural
| Cylinder Head Style | Assembled |
| Material Type | Aluminum |
| Finish | Natural |
| Combustion Chamber Volume | 70cc |
| Intake Runner Volume | 185cc |
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Return PolicyEdelbrock 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. They are available for popular V8 engines.
The 75cc combustion chamber allows this head to be used with stock pistons, retaining the 9.5:1 compression. The modern combustion chamber design also improves the combustion process and the larger than stock intake and exhaust ports move more air through your engine. These features improve the engine's efficiency, resulting in more horsepower and torque.
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For race/ off road use or for use on pre-1966 vehicles.
| KEY SPECS | |
|---|---|
| MFG. Part # | 5073 |
| Brand | Edelbrock |
| Cylinder Head Style | Assembled |
| Material Type | Aluminum |
| Finish | Natural |
| Combustion Chamber Volume | 70cc |
| Intake Runner Volume | 185cc |
| GENERAL | |
| Exhaust Runner Volume | 60cc |
| Combustion Chamber Volume Range | 70cc - 79cc |
| Intake Runner Volume Range | 180cc - 189cc |
| Exhaust Runner Volume Range | 60cc - 69cc |
| CNC-Machined Runners | No |
| CNC-Machined Combustion Chamber | No |
| Spark Plug Style | Straight |
| Intake Port Location | Standard |
| Exhaust Port Shape | Square |
| Exhaust Port Location | Standard |
| Intake Valve Diameter | 2.02" |
| Intake Valves Included | Yes |
| Intake Valve Angle | 23 ° |
| Exhaust Valve Diameter | 1.6" |
| Exhaust Valves Included | Yes |
| Valve Spring Included | Yes |
| Spring Diameter | 1.25" |
| Damper Spring Included | Yes |
| Number of Springs Per Valve | Single |
| Maximum Lift | 0.550" |
| Machined for O-Ring | No |
| Valve Seat Machine Style | 3-angle |
| Valve Seats Machined | Yes |
| Valve Seat Material | Powdered Metal |
| Valve Stem Seals Included | Yes |
| Valve Stem Seal Type | Umbrella |
| Valve Guides Included | Yes |
| Valve Guide Material | Manganese Bronze |
| Locks Included | Yes |
| Lock Style | 7 Degree |
| Retainers Included | Yes |
| Retainer Material | Steel |
| Guideplates Included | Yes |
| Guideplate Pushrod Size | 0.312" |
| Rocker Arms Included | No |
| Rocker Arm Studs Included | Yes |
| Rocker Arm Nuts Included | No |
| Oiling Style | Through Pushrod |
| Heat Crossover | No |
| Steam Holes Drilled | No |
| Accessory Bolt Holes Drilled | Yes |
| Valve Cover Mounting Style | Perimeter Bolt |
| Notes | Uses 14mm spark plugs with 3/4" reach, and flat gasket seals |
| Sold in Quantity | Pair |
| GTIN Code | 085347050734 |
4 Questions • 4 Answers
3/8" rocker studs?
by Mark
• a year ago
1 answer
View Answer
Are the valve springs in these heads for a roller cam or flat tappet? Also what are the flow numbers of these heads?
by Stephen
• 3 years ago
1 answer
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The info on these heads say 75cc combustion chamber retaining 9.5:1 compression, but the specs its listed as a 70cc combustion chamber. I need to know before ordering these heads. Thanks Scott
by Scott 1984 Corvette
• 9 years ago
1 answer
View Answer
Are these heads for a Gen1 SBC Part # 3255073 Thanks
by scott 1984 corvette
• 9 years ago
1 answer
View Answer
4 of 4 questions shown
1967-1969 Chevy Camaro
Gen 1 DZ Small Block Chevy
