This would be the ONLY reason your order might be slightly different when it arrives. If you want a certain brand part just ask (if part is back ordered this may cause a delay on your order). 99% of problems can be easily solved without returning the entire order. This product is NOT DIY and it is the responsibility of the person installing them to ensure they work correctly. Over 99% of people in the world are not qualified to build an engine.It requires special tools and has to be done 100% correct. We ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic. If it cannot be fixed we will supply you with a new one. It must be sent to us for inspection, and Millennium Technologies will determine if the cylinder is repairable.
Also, we want information from customers when their experience is less than desirable so we know what areas need improvement the most. Please work with us and we will ALWAYS work with you.