Engine Cylinder Head

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

Additional Attributes:

GTIN: 00085347798995
CNC Ported: Yes
Combustion Chamber Volume: 64.0
Deck Height: 9.025
Deck Thickness: 0.562
Exhaust Valve Diameter: 1.600
Grade Type: Performance
Guide Plate Material: Hardened Steel
Guide Plates Included: Yes
Head Casting Number: 31-5189
Intake Runner Volume: 185.0
Intake Valve Diameter: 2.020
Material: Aluminum
Push Rod Diameter: 0.312
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.
Rocker Arm Stud Diameter: 0.375
Valve Angle: 23
Valve Spring Diameter: 1.460
Valve Spring Maximum Lift: 0.575
Valve Stem Diameter: 0.341

Extended Information:

Emissions : EPA Eligible
Life Cycle Status: Obsolete

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 22.1875 x 10.125 x 7.1875 inches
Weight: 30.21 PG