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E-Tec-170 Small-Block Chevy Cylinder Head Hydraulic Roller Polished

$968.95
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Out of stock
SKU
609715
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Details

The Edelbrock #609715 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 c.i.d. S/B Chevy engines with "Vortec-style" manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder, promoting a more efficient combustion resulting in more power. These cylinder heads include an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than cast iron Vortec heads, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec heads are dual-drilled and will accept 1987-95 centerbolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds. E-Tec 170 heads are 50-state street legal.INSTALLATION NOTE: • EQUIPPED WITH SPRINGS FOR USE IN MECHANICAL FLAT TAPPET AND HYDRAULIC ROLLER CAMSHAFT APPLICATIONS • Match with Edelbrock head gasket sets. • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. • To use stock rockers on S/B Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended. • Use Head Bolt Kits for easy installation. S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift.

Specs

Availability Not Available
Application Application Specific
GTIN 00085347996926
Availability Note Discontinued
Warranty 12 Months
Emissions Code
EO Number: D-215-94
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 64.0 cu.in
Deck Height 9.025 in
Deck Thickness 0.562 in
Exhaust Valve Diameter 1.550 in
Guide Plates Included Yes
Intake Runner Volume 170.0 cu.in
Intake Valve Diameter 1.940 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 0.575 in
Valve Stem Diameter 0.341 in