Up for sale is PROCOM PERFORMANCE CDI FOR HONDA XR / CRF MODELS PE-C-MHXR/CRF-A. The vendor part number is PE-C-MHXR/CRF-A. Please read title to know what you are getting. The catalog decription.... is High Performance Faster Than EverHow It Works?1. We have built in the best ADVANCED timing curves ready to plug in and go.2. Increased additional 1,000+ RPMs over stock CDI.3. Stronger spark energy for easier start