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Welcome!
Welcome to JM Cylinder Heads, the leading force in cylinder head development for the Dodge Viper, SRT-4 Neon, and the new 5.7L Hemi. With over 15 years experience in the racing industry, we specialize in custom CNC cylinder heads. Our commitment to quality has lead to success and we now supply shops across Europe and Australia, as well as the United States. We have custom CNC packages for the Viper, Neon and Hemi. All packages consist of our own custom valve train components for each specific application to obtain the most stable and durable cylinder head available. A cylinder head from JM Cylinder Heads will give your vehicle the power and performance you have been looking for.
Let us take you to the winner’s circle!