1963 - 1974 Corvette Nut Power Steering Pump Pulley
1963-1974 Corvette c2 & c3 power steering pulley nut,GM part # 3776804.

Power steering pulley nut, replacement nyloc style

GM part # 3776804

1963-74

Fits; 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974 corvettes.