Engine Cylinder Head

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.

Additional Attributes:

GTIN: 00085347799497
9040: D-215-70
Camshaft Type: Hydraulic Roller
CNC Ported: Yes
Combustion Chamber Volume: 65
Construction Type: Complete
Deck Thickness: 0.625
EGR Port: No
Exhaust Port Location: Standard
Exhaust Runner Volume: 76
Exhaust Valve Diameter: 1.57
Family: E-CNC
Grade Type: Performance
Guide Material: Manganese Bronze
Guide Plates Included: No
Head Casting Number: N/A
Horsepower: 400-500
Intake Runner Volume: 215
Intake Valve Diameter: 2.02
Material: Aluminum
Push Rod Diameter: (Suggested) 0.3125
Quantity: Sold Individually
Retainer Included: Yes
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.
Seat Angle: Exhaust 45 deg/Intake 45
Seat Material: Ductile Iron
Series: E-CNC
Valve Angle: 15
Valve Included: Yes
Valve Spring Diameter: 1.30
Valve Spring Maximum Lift: 0.680
Valve Springs Included: Yes
Valve Stem Diameter: 0.314961

Extended Information:

Emissions : CARB Eligible
Life Cycle Status: Obsolete

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 24.75 x 10.435 x 8.1875 inches
Weight: 31.2 PG