Introducing the Edelbrock #60139 Performer RPM Cylinder Head

If you're looking to give your 1967-91 AMX, Javelin, or Jeep a boost, the Edelbrock #60139 Performer RPM cylinder head is the perfect bolt-on upgrade for your AMC V8 engine. Whether you have a 343, 360, 390, or 401, this cylinder head is designed to enhance your ride.

Key Features

• Includes adjustable rocker studs and guide plates, set up for small-block Ford style adjustable 1.6:1 ratio rockers.
• The intake flange is dual-drilled to fit both early and late model intake bolt patterns from 1967-91.
• Comes with larger-than-stock valve springs, ready to handle most high-lift cams.
• Designed with stock location ports, ensuring compatibility with standard manifolds and headers.
• Direct bolt-on for 1970 and later engines using 1/2" head bolts, and includes step-dowel pins for pre-1970 engines.

Performance and Compatibility

The dual-quench combustion chambers provide approximately 9.5:1 compression for 401 V8 engines, while the 45-degree intake seat angle improves mid- to high-lift flow compared to the stock 30-degree angle. Plus, the machined heat crossover ensures that you're compliant with 50-state emissions regulations.

Upgrade Your Engine Today!

With the Edelbrock #60139 Performer RPM Cylinder Heads, you're not just upgrading your engine—you're enhancing your entire driving experience. Get ready to feel the difference!