Proform 66983B Vacuum Advance HEI Distributor with Steel Gear and Blue Cap for Ford 351 Windsor

** Proform 66983B Vacuum Advance HEI Distributor** The Proform 66983B HEI Distributor has received mixed reviews from customers, primarily centered around initial quality issues but ultimately demonstrating strong performance once resolved. Many users report that the unit’s design and functionality are appealing, showcasing a robust Construction intended for reliable operation in Ford 351 Windsor applications. However, quality control seems to be a recurring theme, with several customers encountering defects such as a cracked coil casing and improper assembly of internal components. Despite these initial hiccups, users who obtained replacements often found the distributor to perform exceptionally well. They noted that once installed correctly, the unit operates smoothly, delivering strong performance without further issues. Some users shared that they had to troubleshoot minor defects themselves, which may lead to frustration; however, those who successfully installed the product reported satisfaction with its overall functionality. In summary, while the Proform 66983B has potential quality control concerns during the manufacturing process, those who receive a defect-free unit can expect a solid performance in their vehicles. **