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Small-Block Chevy E-Street Cylinder Head 70cc Pair

$1,056.95
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In stock
SKU
5073
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Details

The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. For use on pre-pollution controlled vehicles only.INSTALLATION NOTE: • Designed for use with hydraulic flat tappet camshafts only, not compatible with hydraulic roller camshafts • Use with Hydraulic Flat Tappet Camshafts .550" max lift. (NOT Compatible with Hydraulic Roller Camshafts) • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. • Requires hardened pushrods. Not legal for sale or use on pollution controlled motor vehicles. • All E-Street Cylinder Heads are sold in pairs • Dyno tests showed a gain of 16 hp and 11 ft-lbs of torque over our overseas competitor

Documents & Installation Notes

Specs

Availability Not Available
Application Application Specific
GTIN 00085347050734
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.p65Warnings.ca.gov
CNC Ported No
Combustion Chamber Volume 70.0 cu.in
Deck Height 9.025 in
Deck Thickness 0.562 in
Exhaust Valve Diameter 1.600 in
Guide Plates Included Yes
Intake Runner Volume 185.0 cu.in
Intake Valve Diameter 2.020 in
Material Aluminum
Push Rod Diameter 0.312 in
Rocker Stud Diameter 0.375 in
Valve Angle 23 deg
Valve Spring Diameter 1.460 in
Valve Spring Maximum Lift 0.550 in
Valve Stem Diameter 0.341 in