Edelbrock Performer RPM 348/409 Chevy Cylinder Heads are intended for the 1961-65 Chevy W Series 348/409 big block engines. The heads have an aluminum construction with original port locations and valve angles for a blot-on installation. The CNC port-matched 220cc intake runners and 90cc exhaust ports ensure you get an optimized airflow and improver power throughout the entire rpm range.

Product Notes:

• Cylinder Head
• Chevy 1958-1965 348 W Engines
• Complete Single
• Incl. Springs For Hydraulic Roller
• Cylinder Wall Notching Must Be Checked

Edelbrock Performance is a company with a lot of history behind it, and now ranks as one of the leaders in the automotive performance industry. Edelbrock products are developed by top-notch R&D teams with access to the most modern and up-to-date tools. After a product has been designed it goes through vigorous testing in a real world environment with state-of-the-art equipment. Product are also tested by professional race car teams and drivers! Edelbrock products are used by top racing teams who participate in all forms of motorsports and they are counted on to win races and championships!