High-reliability voltage regulators feature rugged aluminum alloy construction Provides accurately regulated voltage under all electrical loads No relay contacts to wear or become maladjusted Environmentally sealed for protection against moisture and shock - Harley-Davidson Café Racer XLCR (1977); Harley-Davidson Sportster 900 XLCH (1966, 1969, 1968, 1970, 1965, 1971, 1967); Harley-Davidson Sportster 1000 XLH (1973, 1977, 1974, 1972, 1975, 1976); Harley-Davidson 1200 Electra Glide FLH (1966, 1969, 1967, 1968, 1965); Harley-Davidson Sportster 1000 XLCH (1974, 1977, 1973, 1976, 1972, 1975); Harley-Davidson Sportster 900 XLH (1965, 1970, 1967, 1971, 1968, 1969, 1966); Harley-Davidson Electra Glide FL (1965, 1966, 1968, 1969, 1967); Harley-Davidson Sportster 1000 XLT (1977)