The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy 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.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications. |
| Description_INV |
Edelbrock SBC Cylinder Head |
| Description_MKT |
The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy 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. |
| Description_LAB |
Small-Block Chevy E-Street Cylinder Head 70cc Pair |
| Description_TRA |
Designed for use with hydraulic flat tappet camshafts only, not compatible with hydraulic roller camshafts |
| Description_TRA |
Use with Hydraulic Flat Tappet Camshafts .550" max lift. (NOT Compatible with Hydraulic Roller Camshafts) |
| Description_TRA |
Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
| Description_TRA |
Requires hardened pushrods. Not legal for sale or use on pollution controlled motor vehicles. |
| Description_TRA |
All E-Street Cylinder Heads are sold in pairs |
| Description_TRA |
Dyno tests showed a gain of 16 hp and 11 ft-lbs of torque over our overseas competitor |
| Exhaust Valve Diameter |
1.60 |
| Rotor Center Bore Inside Diameter |
Straight |
| Exhaust Runner Volume |
60 |
| Camshaft Type |
Flat Tappet |
| Push Rod Diameter |
(Suggested) 0.3125 |
| Deck Thickness |
0.5625 |
| Guide Plate Material |
Hardened Steel |
| Guide Material |
Manganese Bronze |
| Rocker Arm Stud Diameter |
0.375 |
| 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. |
| Valve Stem Diameter |
0.3438 |
| Combustion Chamber Volume |
70 |
| Valve Springs Included |
Yes |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| EGR Port |
No |
| Intake Valve Diameter |
2.02 |
| Series |
E-Street |
| Seat Material |
Ductile Iron |
| Retainer Included |
Yes |
| Intake Runner Volume |
185 |
| Exhaust Port Location |
Standard |
| Valve Included |
Yes |
| Quantity |
Set of 2 |
| Construction Type |
Complete |
| Family |
E-Street |
| Valve Angle |
23 |
| Material |
Aluminum |
| Head Casting Number |
N/A |
| Valve Spring Maximum Lift |
0.550 |
| Horsepower |
300-400 |
| CNC Ported |
No |
| Valve Spring Diameter |
1.46 |
| Grade Type |
Performance |
| Guide Plates Included |
Yes |
| Length |
9.0000 |
| Width |
12.0000 |
| Height |
25.0000 |
| Weight |
60.0000 |
