- High-quality studs and flexloc nuts
- Eight studs and nuts cover one cylinder head
Harley-Davidson -- Duo Glide FL -- (1960, 1959, 1962, 1964, 1963, 1958, 1961); Harley-Davidson -- Hydra Glide FL -- (1955, 1951, 1954, 1949, 1957, 1956, 1953, 1950); Harley-Davidson -- Electra Glide FL -- (1965); Harley-Davidson -- Duo Glide FLH -- (1961, 1960, 1964, 1962, 1959, 1963, 1958); Harley-Davidson -- FL -- (1948); Harley-Davidson -- Hydra Glide EL -- (1949, 1955, 1953, 1952, 1956, 1954, 1950, 1951, 1957); Harley-Davidson -- 1200 Electra Glide FLH -- (1965)