The Edelbrock spring seat locator/seal kit (#5766) is made for cylinder heads using 8mm valves with 1.30" beehive-style conical springs, including Edelbrock LS and E-CNC heads. Sold as a locator and seal kit, it positions the spring base and prevents unwanted movement while fitting the specified 8mm stem and conical spring combinations for reliable spring alignment in those head platforms.
Edelbrock Spring Seat Locator/Seal Kit for Cylinder Heads Using 8mm Valves w/ 1 30In Beehive Springs