engine heads and blocks
E-CNC Complete GEN III/IV LS Chevy Cylinder Head Small Port
$1,631
Made to order
Universal fit — no vehicle-specific fitment required.
Free freight ≥ $999 · $40 flat below
About this part
The Edelbrock #61319 E-CNC LS3 cylinder head is a great general-purpose high performance cylinder head for any street- strip LS engine. This cylinder head has a high velocity port compared to stock LS3 cylinder head making them an ideal upgrade for any cathedral port or 3.89" bore LS application. They feature an improved design and casting that gives cylinder head porters more material to work with compared to another stock head. Like all of our other E-CNC cylinder head these feature fully CNC'd intake ports combustion chambers and exhaust ports for improved performance. Compatible with stock style rocker arms.
Specifications
| WIDTH | 10.875 |
|---|---|
| HEIGHT | 8.375 |
| LENGTH | 26 |
| PROP65 | |
| WEIGHT | 30.9 |
| WARRANTY | 12 Months |
| EMISSIONS | CARB Eligible |
| ATTRIBUTES | Material:Aluminum;Valve Spring Retainers Included:Yes;Valve Locks Included:Yes;Exhaust Runner Volume:80 CCM;Valve Lock Material:Chromoly Steel;Rocker Arms Included:No;Cylinder Head Gasket Included:No;Valve Cover Gasket Included:No;Rocker Arm Studs/Bolts Included:No;Mounting Hardware Included:No;Assembled:Yes;Grade Type:Performance;Deck Height:9.24 IN;Deck Thickness:0.625 IN;Combustion Chamber Volume:69 CCM;Intake Runner Volume:230 CCM;Intake Valve Diameter:2.135 IN;Exhaust Valve Diameter:1.55 IN;Valve Spring Diameter:1.30 IN;Valve Spring Maximum Lift:0.680 IN;Guide Plates Included:No;Head Casting Number:31-77349;Valve Springs Included:Yes;Valve Seals Included:Yes;9040:D-215-98;Valves Included:Yes;Camshaft Type:Hydraulic Roller;CNC Ported:Yes;Construction Type:Complete;EGR Port:No;Exhaust Port Location:Standard;Guide Material:Manganese Bronze;Horsepower:400-500 HJ;Product Family:CNC;Product Series:E-CNC;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 39 deg/Intake 45 DD;Seat Material:Ductile Iron;Valve Angle:13.25 DD;Valve Stem Diameter:0.314961 IN |
| PCDB CATEGORY | Engine |
| COUNTRY OF ORIGIN | US |
| PART TERMINOLOGY | Engine Cylinder Head |
| VEHICLE SPECIFIC FITMENT | N |
| INSTALLATION INSTRUCTIONS | 61319.pdf |
Datasheet — not yet published