| This listing is for a single used cam oiler or spray bar. We only sell the newer upgraded version. The picture shows both types of spray bars to help you identify which one you have on your z. The spray bar that is on the top is the newer style, and the one on the bottom is the original style. The original style (lower one) is inferior in design and they can come apart or come loose causing oil starvation and premature cam and/or rocker arm failure. Each of our used oilers are thoroughly cleaned out, the oiling holes are lightly reamed to help prevent clogging in the future, and then they're cleaned out with compressed air. Then each spray bar is tested to make sure that it will provide adequate oil flow. Once that is done then these units will flow more oil than originally, and they will be less prone to plugging. Subject to availability and supplies are limited. Last update 08/11 | 
