Small-Block Chevy E-Street Cathedral Cylinder Heads .570"

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The Edelbrock E-Street Cylinder Heads for GM LS Cathedral Port 64cc Pair #7763 are designed for any high performance or stock replacement application and offer the best performance values for aftermarket GM LS Cathedral port heads.
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The Edelbrock E-Street Cylinder Head for GM LS Cathedral Port 64cc Individual #7763 is designed for any high performance or stock replacement application and offers the best performance values for aftermarket GM LS Cathedral port heads. These LS cathedral port head is engineered with the same architecture as the factory head, and all stock components will fit without issue. These assembled heads feature Beehive™ Valve Springs, chromemoly steel retainers, heavy-duty stainless steel valves, and top-quality valve seals – all inspected and assembled by qualified Edelbrock technicians. The Beehive Springs are good up to .570” lift, ideal for many mild to hot camshaft grinds. Edelbrock E-Street LS Cathedral Port Cylinder Heads are manufactured with premium material and machined to the industry’s tightest tolerances. They feature premium manganese bronze valve guides for long wear with particular emphasis placed on holding precision tolerances on valve seat concentricity. This allows the valves to seal securely to eliminate any leak down and increase cylinder pressures during engine operation. All Edelbrock cylinder heads feature patented Clean Cast Technology™, a revolutionary process that eliminates casting flaws and promotes a smoother internal surface finish for greater air and coolant flow. These benefits provide more power and increased cooling ability right out of the box. A unique dual spark plug pocket design allows you to use both the factory style tapered seat spark plug or gasketed seat spark plugs that are available in wider heat ranges for maximum tunability.

Documents & Installation Notes



Manufacturer Edelbrock
Application Application Specific
UPC 00085347776306
Quantity Set of 2
Availability Note Available to Order
Warranty 12 Months
Intake Valve Diameter 2 in
Camshaft Type Hydraulic Roller
Construction Type Complete
Emissions Code
Hazardous Materials Warning 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
Intake Runner Volume 210 cc
Material Aluminum
Valve Angle 15 deg
Valve Spring Diameter 1.29 in
Valve Spring Maximum Lift 0.570 in