E-TEC-170 SMALL-BLOCK CHEVY CYLINDER HEAD HYDRAULIC ROLLER CAMSHAFT
E-TEC-170 SMALL-BLOCK CHEVY CYLINDER HEAD HYDRAULIC ROLLER CAMSHAFT
SKU:EDL 60975
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Brand New Edelbrock E-Tec-170 Cylinder Head for 302, 327, 350 & 400 Chevy Small Block Engines with Vortec-Style Manifolds & Hydraulic Roller Cam (Part #60975).
The Edelbrock #60975 E-Tec cylinder head is 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. This cylinder head includes 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 a cast iron Vortec head, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec head is dual-drilled and will accept 1987-95 center bolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds.
- 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 small-block 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:
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Series: E-Tec
- Material: Aluminum
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Horsepower: 350-500 HP
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Seat Angle: Exhaust 45 deg/Intake 45 deg
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Intake Valve Diameter: 1.94 in
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Intake Runner Volume: 170 cc
- Push Rod Diameter: 0.3125 in
- Rocker Stud Diameter: 0.375 in
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Valve Angle: 23 deg
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Valve Spring Diameter: 1.46 in
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Valve Spring Maximum Lift: 0.575 in
- Valve Stem Diameter: 0.3438 in