The Edelbrock part #79899 Small Block Chevy E-CNC cylinder heads offer the ultimate performance. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance's street and racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift. E-CNC S/B CHEVY FEATURES: - Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance - Maintains the stock 23 Deg valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds - Delivers up to 30-60 horsepower over Performer RPM Cylinder Heads - #61205 & #61209 features 7/16" studs and angled spark plugs - Ideal for high Performance's street and racing applications
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Small-Block Gen I:262 (4.3L)-400 (6.6L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
Edelbrock part #79899 Small Block Chevy E-CNC cylinder heads offer the ultimate performance. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance's street and racing application |
| Description_INV |
Edelbrock SBC Cylinder Head |
| Description_MKT |
The Edelbrock part #79899 Small Block Chevy E-CNC cylinder heads offer the ultimate performance. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance's street and racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift. E-CNC S/B CHEVY FEATURES: - Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance - Maintains the stock 23 Deg valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds - Delivers up to 30-60 horsepower over Performer RPM Cylinder Heads - #61205 & #61209 features 7/16" studs and angled spark plugs - Ideal for high Performance's street and racing applications |
| Description_LAB |
E-CNC Small-Block Chevy 64cc Cylinder Head Hydraulic Flat Tappet Cam |
| Description_TRA |
Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
| Exhaust Valve Diameter |
1.600 |
| Deck Height |
9.025 |
| Guide Plate Material |
Hardened Steel |
| Push Rod Diameter |
0.312 |
| Deck Thickness |
0.562 |
| Head Casting Number |
31-5189 |
| Valve Angle |
23 |
| Combustion Chamber Volume |
64.0 |
| 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. |
| Material |
Aluminum |
| Rocker Arm Stud Diameter |
0.375 |
| Valve Spring Maximum Lift |
0.575 |
| CNC Ported |
Yes |
| Valve Stem Diameter |
0.341 |
| Guide Plates Included |
Yes |
| Intake Valve Diameter |
2.020 |
| Grade Type |
Performance |
| Intake Runner Volume |
185.0 |
| Valve Spring Diameter |
1.460 |
| Length |
7.0000 |
| Width |
10.0000 |
| Height |
22.0000 |
| Weight |
30.0000 |
