Edelbrock E-Tec 170 64cc Hydraulic Roller Cylinder Head SBC

Upgrade your Small Block Chevy with the advanced airflow and efficiency of this Edelbrock E-Tec 170 cylinder head. Designed around a Vortec-style intake layout, this head features LT1-style raised intake runners and a revised combustion chamber design that positions the spark plug closer to the center of the cylinder for improved combustion efficiency and power delivery.

Features and Benefits:
- Designed for Small Block Chevy Vortec-style intake applications
- LT1-style raised intake runners improve airflow
- Hydraulic roller spring package installed
- 64cc combustion chamber improves burn efficiency
- Delivers up to 20-percent more exhaust flow than factory Vortec heads
- Supports strong performance up to 6,000 RPM
- Accepts factory-style self-aligning rocker arms
- Aluminum construction for reduced weight and improved heat dissipation

Built from lightweight aluminum, this head includes hydraulic roller-compatible springs and delivers up to 20-percent more exhaust flow than factory cast iron Vortec heads. The 170cc intake runners provide strong street performance up to 6,000 RPM while improving horsepower, torque, and fuel efficiency. Compatible with factory-style self-aligning rocker arms, most valve covers, and stock exhaust manifolds, this head is an ideal upgrade for street performance and restoration builds.

Specifications:
- CNC Ported: No
- Combustion Chamber Volume: 64.0cc
- Deck Height: 9.025"
- Deck Thickness: 0.562"
- Exhaust Valve Diameter: 1.550"
- Guide Plates Included: Yes
- Intake Runner Volume: 170.0cc
- Intake Valve Diameter: 1.940"
- Material: Aluminum
- Push Rod Diameter: 0.315"
- Rocker Stud Diameter: 0.375"
- Valve Angle: 23 degrees
- Valve Spring Diameter: 1.460"
- Valve Spring Maximum Lift: 0.575"
- Valve Stem Diameter: 0.341"

Vehicle Fitment:
- Small Block Chevy 350/ 383/ 400 builds using Vortec-style intakes
- Hot rods, street builds, muscle cars, and carb/TBI/TPI conversions requiring Vortec port alignment

Tech Tips:
- Equipped with springs for use in mechanical flat tappet and hydraulic roller camshaft applications.
- Match with Edelbrock head gasket sets.
- Recommended spark plugs: Champion RC12YC or equivalent (14mm x 3/4" reach, flat gasket).
- When using stock rockers, .100" longer pushrods are required (Edelbrock #9629 recommended).
- Use Edelbrock Head Bolt Kits for easier installation.
- Not for engines under 4" bore unless cam lift is below .450".

Please Note: Verify valvetrain geometry, piston-to-valve clearance, pushrod length, and spring pressures before installation. Ensure compatibility with Vortec-style intake manifolds and combustion chamber design. Use only recommended spark plugs and Edelbrock gaskets for optimal performance.