The Edelbrock #5089 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.
| Application |
Application Specific |
| UPC |
00085347050895 |
| Ech Ival Dia |
2.02 in |
| Series |
E-Street |
| Grade Type |
Performance |
| Quantity |
Set of 2 |
| Guide Plate Material |
Hardened Steel |
| Camshaft Type |
Flat Tappet |
| Horsepower |
300-400 HP |
| Availability Note |
Available to Order |
| Warranty |
12 Months |
| Seat Angle |
Exhaust 45 deg/Intake 45 deg |
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| Installation Notes |
- - Designed for use with hydraulic flat tappet camshafts only, not compatible with hydraulic roller camshafts
- - Use with Hydraulic Flat Tappet Camshafts .550" max lift. (NOT Compatible with Hydraulic Roller Camshafts)
- - Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
- - Requires hardened pushrods.
- - All E-Street Cylinder Heads are sold in pairs
- - Dyno tests showed a gain of 16 hp and 11 ft-lbs of torque over our overseas competitor
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| CNC Ported |
No |
| Combustion Chamber Volume |
64 cc |
| Deck Height |
9.025 in |
| Deck Thickness |
0.5625 in |
| Exhaust Valve Diameter |
1.60 in |
| Guide Plates Included |
Yes |
| Intake Runner Volume |
185 cc |
| Material |
Aluminum |
| Push Rod Diameter |
(Suggested) 0.3125 in |
| Rocker Stud Diameter |
0.375 in |
| Valve Angle |
23 deg |
| Valve Spring Diameter |
1.46 in |
| Valve Spring Maximum Lift |
0.550 in |
| Valve Stem Diameter |
0.3438 in |
