Edelbrock Cylinder Head 61329 E-CNC Gen III/IV LS Chevy Small Port LSX Block

The Edelbrock #61329 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.

E-CNC LS3 heads are a general-purpose high-performance option

E-CNC heads feature fully CNC machined intake ports, combustion chambers, and exhaust ports

Features a 0.125" raised exhaust port & 0.200" raised spring pockets machined for longer valves

13.25° adjusted valve angle & spark plug position optimized for better combustion & efficiency

Features improved design & casting, providing cylinder head ports with more material than stock heads

#61319 & #61329 feature unique canted intake valves while still utilizing stock rockers