Howard's RaceSaver 305 Performance Valve Springs - 98213RS
Look for the yellow markings on the inner 3 springs.
Performance 1.265 Single with Damper Valve Springs Coiled and heat-treated in the finest facilities available. Howards research and development teams are constantly updating materials and manufacturing techniques, to provide the best possible valve springs. Howards Cams pioneered many valve spring developments since the 1950’s, and are still working with the best engineers and race teams to be on the cutting edge of valve spring technology.
Some parts are not legal for use in California or other states with similar laws / regulations.