HEMI Billet Main Caps Sold by MMX
**Please check local and State laws for emissions compliance before purchasing this product**
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MMX Recommends Going to Billet Main Caps over 1400 Wheel HP
Align BORING is Required. Please be sure to verify with your machine shop that they have this capability. This is a different process than a regular Align Hone.
Billet steel HEMI main caps are crucial hardware for engine builders with reliability, boost, and nitrous use in mind. Its just one of those parts of a total build that provide and extra level of durability under the most stressful circumstances. Take this opportunity to protect your new HEMI engine build in every way possible, including the structure surrounding your crank by only using premium billet main caps.
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