Due to higher than average volume and current responses by some manufacturers to the COVID-19 pandemic, shipping and response time may be slightly longer than normal. We apologize for the inconvenience and thank you for your understanding and support.

MMX Custom Product Payment Method

Modern Muscle Xtreme Internation Order Notice

International Order Notice:
International orders are required to be paid by money order or bank transfer. Please call or email for more information before placing your order. International import taxes and duties are the responsibility of the purchaser and are not the responsibility of Modern Muscle Performance / Modernmusclextreme.com.

Modern Muscle Performance offers in-house installation as well as other HEMI hotrod related services!

ModernMuscleXtreme.com Accepts:
Modern Muscle Performance Proudly Accepts Paypal

Modern Muscle Performance Proudly Accepts Visa, Mastercard, and Discover Credit Cards

Modern Muscle Performance Proudly Affirm as a Payment Method

We Currently Do Not Accept American Express.

Modern Muscle / ModernMuscleXtreme.com CNC ported heads are unmatched in performance and endurance. Relying upon over 40 years of HEMI experience as it applies to drag racing, and other competitive automotive sports, our heads are sure to exceed your expectations. Our custom porting process is done using state-of-the-art CAD/CAM software to ensure maximum flow performance and consistency across all of our parts.

MMX CNC Porting Services

HEMI CNC Head Porting Service by MMX

**Please ensure your heads are clean and do not have values**You send in your clean heads with no valves and we run our proprietary CNC...read more

View Details

Sale: $749.99

HEMI CNC Head Porting Service by MMX - Edelbrock Head

**Please ensure your heads are clean and do not have values**You send in your clean heads with no valves and we run our proprietary CNC...read more

View Details

$875.00

Call Today: 276.666.1934

Over 40 Years of HEMI Experience!

MMX CNC Porting Services