Engines and Components› Cylinder Heads and Components

Modern

5.7L HEMI CNC Ported Cylinder Heads

$2,199.00

SKU: MMP-5703CNCHD

In Stock
In Stock
Ships by Jul 30
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30 Days Return
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Description

The Modern Muscle Xtreme 2003-2008 5.7L HEMI CNC Ported Heads are designed for performance. These heads feature proprietary CNC porting of intake and exhaust ports, hand blending of bowls, and a Multi-Angle valve job.

Included are new PSI 1511 standard springs, seals, shims, and Moly retainers. The heads are cleaned, deburred, and assembled, with an option to upgrade to PSI 1516 springs. Please check local and state laws for emissions compliance before purchasing.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandModern
Part NumberMMP-5703CNCHD
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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