The Edelbrock 79949 E-CNC Small Block Chevy GEN 3 & 4 LS cylinder head are designed for 1997 & later GEN 3 & 4 LS1/LS2 Chevy engines including 4.8L, 5.3L, 5.7L & 6.0L. The E-CNC Cylinder Head feature fully CNC'd intake ports, combustion chambers and exhaust ports for improved air-flow. Dyno tests proved this head is capable of 457 hp & 438 ft-lbs. of torque. High-quality conical beehive springs are secured with steel retainers and valve locks for performance up to .600" valve lift. Match with any one of Edelbrock's LS series intake manifolds and camshafts for a dyno-proven performance combination. Rocker bolt kit #8597 includes 8 rocker bolts that are shorter than stock to prevent the bolts from protruding into the intake ports. E-CNC 215 head is 50-state street legal.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Small-Block Gen III LS1:346 (5.7L) |
| Description_ASM |
Chevrolet:Small-Block Gen III LS2:364 (6.0L) |
| Description_ASM |
Chevrolet:Small-Block Gen IV LS2:364 (6.0L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
Edelbrock part #79949 E-CNC Small Block Chevy GEN 3 & 4 LS cylinder heads were designed for 1997 & later GEN 3 & 4 LS1/LS2 Chevy engines including 4.8L, 5.3L, 5.7L & 6.0L. |
| Description_LAB |
E-CNC Gen III LS Chevy Cylinder Head Hydraulic Roller Camshaft |
| Description_MKT |
The Edelbrock 79949 E-CNC Small Block Chevy GEN 3 & 4 LS cylinder head are designed for 1997 & later GEN 3 & 4 LS1/LS2 Chevy engines including 4.8L, 5.3L, 5.7L & 6.0L. The E-CNC Cylinder Head feature fully CNC'd intake ports, combustion chambers and exhaust ports for improved air-flow. Dyno tests proved this head is capable of 457 hp & 438 ft-lbs. of torque. High-quality conical beehive springs are secured with steel retainers and valve locks for performance up to .600" valve lift. Match with any one of Edelbrock's LS series intake manifolds and camshafts for a dyno-proven performance combination. Rocker bolt kit #8597 includes 8 rocker bolts that are shorter than stock to prevent the bolts from protruding into the intake ports. E-CNC 215 head is 50-state street legal. |
| Description_INV |
Edelbrock SBC LS1 Cylinder Head |
| Description_TRA |
For use in Racing applications only |
| Retainer Included |
Yes |
| Seat Material |
Ductile Iron |
| Valve Spring Diameter |
1.30 |
| Horsepower |
400-500 |
| EGR Port |
No |
| Intake Runner Volume |
215 |
| Family |
E-CNC |
| Push Rod Diameter |
(Suggested) 0.3125 |
| Head Casting Number |
N/A |
| Exhaust Port Location |
Standard |
| Material |
Aluminum |
| Valve Spring Maximum Lift |
0.680 |
| Combustion Chamber Volume |
65 |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Construction Type |
Complete |
| Guide Plates Included |
No |
| Grade Type |
Performance |
| Valve Springs Included |
Yes |
| Series |
E-CNC |
| CNC Ported |
Yes |
| Intake Valve Diameter |
2.02 |
| Valve Included |
Yes |
| Quantity |
Sold Individually |
| Guide Material |
Manganese Bronze |
| 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. |
| Deck Thickness |
0.625 |
| Valve Angle |
15 |
| Valve Stem Diameter |
0.314961 |
| Camshaft Type |
Hydraulic Roller |
| Exhaust Runner Volume |
76 |
| Exhaust Valve Diameter |
1.57 |
| Length |
8.0000 |
| Width |
10.0000 |
| Height |
25.0000 |
| Weight |
31.0000 |
