Edelbrock E-Street 64cc Flat Tappet Cylinder Head Pair SBC

Improve the performance and efficiency of your Small Block Chevy with this pair of Edelbrock E-Street 64cc cylinder heads. Designed for 1955-1986 SBC engines, these heads provide an excellent entry-level performance upgrade with improved airflow, combustion efficiency, and reliable street manners across the idle-to-5500 RPM range.

Features and Benefits:
- Designed for Small Block Chevy 1955-1986 engines
- 64cc combustion chambers for balanced performance
- Compatible with hydraulic flat tappet camshafts
- Larger intake and exhaust ports improve airflow
- Aluminum construction for durability and heat dissipation

Constructed from lightweight aluminum, these heads feature as-cast ports and modern combustion chambers that enhance engine efficiency and output. Larger-than-stock intake and exhaust ports increase airflow, resulting in measurable gains in horsepower and torque. Designed specifically for hydraulic flat tappet camshaft applications, this complete pair delivers dependable performance for classic street builds.

Specifications:
- CNC Ported: No
- Combustion Chamber Volume: 64.0cc
- Deck Height: 9.025"
- Deck Thickness: 0.562"
- Exhaust Valve Diameter: 1.600"
- Guide Plates Included: Yes
- Intake Runner Volume: 185.0cc
- Intake Valve Diameter: 2.020"
- Material: Aluminum
- Push Rod Diameter: 0.312"
- Rocker Stud Diameter: 0.375"
- Valve Angle: 23 degrees
- Valve Spring Diameter: 1.460"
- Valve Spring Maximum Lift: 0.550"
- Valve Stem Diameter: 0.341"

Vehicle Fitment:
- Small Block Chevy 265/ 283/ 302/ 305/ 307/ 327/ 350/ 400

Please Note: For use with hydraulic flat tappet camshafts only. NOT compatible with hydraulic roller camshafts. Recommended spark plugs: Champion RC12YC or equivalent (14mm x 3/4" reach, flat gasket). Requires hardened pushrods. Verify valvetrain geometry and spring pressures before installation.