Return Policy

All sales are considered final; any returns are subject to a 20% re-stocking charge.



Our cylinder heads come with a great warranty of 12 month or 12,000 miles, whichever comes first.

Warranty does not cover:
  • Incorrect Installation.
  • Incorrect operation, this includes neglect, abuse, and overheating; as well as alterations or damages due to accidents.
  • Repairs without our authorization will void any warranty.
  • American Cylinder Head will not be responsible for consequential damages such as towing, rentals, diagnostic charges, or damages to engine parts other than the cylinder head.