<span style="font-size: 14pt"><span style="font-family: 'Times New Roman'">I recently realized what appears to be a part number and date on my PVC hose. The date of "<span style="font-weight: bold"><span style="font-style: italic">03 18 9</span></span>" is consistent with the build date of 06A for my '69 Chevelle. Here is a shot of the top of the engine shortly after I bought the car in 2006...</span></span>
