Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 506 seals have a .610" OD and fit applications with 11/32" valves and .494" OD guides.
Available individually under 506-1
Engines w/ 0.494" OD Valve Guides and 11/32" Valve Stems
Fits, Fitments
1968 Ford Thunderbird Base
1968 Lincoln Continental Base
1968 Lincoln Mark III Base
1969 Ford Country Sedan Base
1969 Ford Country Squire Base
1969 Ford Custom Base
1969 Ford Custom 500 Base
1969 Ford Galaxie 500 Base
1969 Ford Galaxie 500 XL
1969 Ford LTD Base
1969 Ford Mustang Base
1969 Ford Mustang Boss 429
1969 Ford Ranch Wagon Base
1969 Ford Thunderbird Base
1969 Lincoln Continental Base
1969 Lincoln Mark III Base
1969 Mercury Colony Park Base
1969 Mercury Marauder Base
1969 Mercury Marauder X-100
1969 Mercury Marquis Base
1969 Mercury Marquis Brougham
1969 Mercury Monterey Base
1969 Mercury Monterey Custom
1970 Ford Country Sedan Base
1970 Ford Country Squire Base
1970 Ford Custom Base
1970 Ford Custom 500 Base
1970 Ford Fairlane 500
1970 Ford Galaxie 500 Base
1970 Ford Galaxie 500 XL
1970 Ford LTD Base
1970 Ford LTD Brougham
1970 Ford Mustang Base
1970 Ford Mustang Boss 429
1970 Ford Mustang Grande
1970 Ford Mustang Mach 1
1970 Ford Ranch Wagon Base
1970 Ford Ranch Wagon Police Cruiser
1970 Ford Ranchero 500
1970 Ford Ranchero Base
1970 Ford Ranchero GT
1970 Ford Ranchero Squire
1970 Ford Thunderbird Base
1970 Ford Torino Base
1970 Ford Torino Brougham
1970 Ford Torino Cobra
1970 Ford Torino GT
1970 Ford Torino Squire
1970 Ford Torino Super Cobra Jet
1970 Lincoln Continental Base
1970 Lincoln Mark III Base
1970 Mercury Colony Park Base
1970 Mercury Cougar Base
1970 Mercury Cougar Boss 429
1970 Mercury Cougar Cobra Jet
1970 Mercury Cougar XR-7
1970 Mercury Cyclone Base
1970 Mercury Cyclone GT
1970 Mercury Cyclone Spoiler
1970 Mercury Marauder Base
1970 Mercury Marauder X-100
1970 Mercury Marquis Base
1970 Mercury Marquis Brougham
1970 Mercury Montego Base
1970 Mercury Montego MX
1970 Mercury Montego MX Brougham
1970 Mercury Montego Villager
1970 Mercury Monterey Base
1970 Mercury Monterey Custom
1971 Ford Country Sedan Base
1971 Ford Country Squire Base
1971 Ford Custom Base
1971 Ford Custom 500 Base
1971 Ford Galaxie 500 Base
1971 Ford LTD Base
1971 Ford LTD Brougham
1971 Ford Mustang Base
1971 Ford Mustang Grande
1971 Ford Mustang Mach 1
1971 Ford Ranch Wagon Base
1971 Ford Ranchero 500
1971 Ford Ranchero Base
1971 Ford Ranchero GT
1971 Ford Ranchero Squire
1971 Ford Thunderbird Base
1971 Ford Torino 500
1971 Ford Torino Base
1971 Ford Torino Brougham
1971 Ford Torino Cobra
1971 Ford Torino GT
1971 Ford Torino Squire
1971 Ford Torino Super Cobra Jet
1971 Lincoln Continental Base
1971 Lincoln Mark III Base
1971 Mercury Colony Park Base
1971 Mercury Cougar Base
1971 Mercury Cougar XR-7
1971 Mercury Cyclone Base
1971 Mercury Cyclone GT
1971 Mercury Cyclone Spoiler
1971 Mercury Marquis Base
1971 Mercury Marquis Brougham
1971 Mercury Montego Base
1971 Mercury Montego MX
1971 Mercury Montego MX Brougham
1971 Mercury Montego Villager
1971 Mercury Monterey Base
1971 Mercury Monterey Custom
1972 Ford Country Sedan Base
1972 Ford Country Squire Base
1972 Ford Custom Base
1972 Ford Custom 500 Base
1972 Ford Galaxie 500 Base
1972 Ford Gran Torino Base
1972 Ford Gran Torino Sport
1972 Ford Gran Torino Squire
1972 Ford LTD Base
1972 Ford LTD Brougham
1972 Ford Ranch Wagon Base
1972 Ford Ranchero 500
1972 Ford Ranchero GT
1972 Ford Ranchero Squire
1972 Ford Thunderbird Base
1972 Ford Torino Base
1972 Lincoln Continental Base
1972 Lincoln Mark IV Base
1972 Mercury Colony Park Base
1972 Mercury Marquis Base
1972 Mercury Marquis Brougham
1972 Mercury Montego Base
1972 Mercury Montego GT
1972 Mercury Montego MX
1972 Mercury Montego MX Brougham
1972 Mercury Montego Villager
1972 Mercury Monterey Base
1972 Mercury Monterey Custom
1973 Ford Country Sedan Base
1973 Ford Country Squire Base
1973 Ford Custom 500 Base
1973 Ford Galaxie 500 Base
1973 Ford Gran Torino Base
1973 Ford Gran Torino Sport
1973 Ford Gran Torino Squire
1973 Ford LTD Base
1973 Ford LTD Brougham
1973 Ford Ranch Wagon Base
1973 Ford Ranchero 500
1973 Ford Ranchero GT
1973 Ford Ranchero Squire
1973 Ford Thunderbird Base
1973 Ford Torino Base
1973 Lincoln Continental Base
1973 Lincoln Mark IV Base
1973 Mercury Colony Park Base
1973 Mercury Cougar Base
1973 Mercury Cougar XR-7
1973 Mercury Marquis Base
1973 Mercury Marquis Brougham
1973 Mercury Montego Base
1973 Mercury Montego GT
1973 Mercury Montego MX
1973 Mercury Montego MX Brougham
1973 Mercury Montego Villager
1973 Mercury Monterey Base
1973 Mercury Monterey Custom
1974 Ford Country Sedan Base
1974 Ford Country Squire Base
1974 Ford Custom 500 Base
1974 Ford Galaxie 500 Base
1974 Ford Gran Torino Base
1974 Ford Gran Torino Brougham
1974 Ford Gran Torino Elite
1974 Ford Gran Torino Sport
1974 Ford Gran Torino Squire
1974 Ford LTD Base
1974 Ford LTD Brougham
1974 Ford Ranch Wagon Base
1974 Ford Ranchero 500
1974 Ford Ranchero GT
1974 Ford Ranchero Squire
1974 Ford Thunderbird Base
1974 Ford Torino Base
1974 Lincoln Continental Base
1974 Lincoln Mark IV Base
1974 Mercury Colony Park Base
1974 Mercury Cougar XR-7
1974 Mercury Marquis Base
1974 Mercury Marquis Brougham
1974 Mercury Montego Base
1974 Mercury Montego MX
1974 Mercury Montego MX Brougham
1974 Mercury Montego Villager
1974 Mercury Monterey Base
1974 Mercury Monterey Custom
1975 Ford Custom 500 Base
1975 Ford Elite Base
1975 Ford F-100 Custom
1975 Ford F-100 Northland
1975 Ford F-100 Ranger
1975 Ford F-100 Ranger XLT
1975 Ford F-150 Custom
1975 Ford F-150 Northland
1975 Ford F-150 Ranger
1975 Ford F-150 Ranger XLT
1975 Ford F-250 Custom
1975 Ford F-250 Northland
1975 Ford F-250 Ranger
1975 Ford F-250 Ranger XLT
1975 Ford F-350 Custom
1975 Ford F-350 Northland
1975 Ford F-350 Ranger
1975 Ford F-350 Ranger XLT
1975 Ford Gran Torino Base
1975 Ford Gran Torino Brougham
1975 Ford Gran Torino Elite
1975 Ford Gran Torino Sport
1975 Ford Gran Torino Squire
1975 Ford LTD Base
1975 Ford LTD Brougham
1975 Ford LTD Country Squire
1975 Ford LTD Landau
1975 Ford Ranchero 500
1975 Ford Ranchero GT
1975 Ford Ranchero Squire
1975 Ford Thunderbird Base
1975 Ford Torino Base
1975 Lincoln Continental Base
1975 Lincoln Mark IV Base
1975 Mercury Cougar XR-7
1975 Mercury Grand Marquis Base
1975 Mercury Marquis Base
1975 Mercury Marquis Brougham
1975 Mercury Marquis Colony Park
1975 Mercury Montego Brougham
1975 Mercury Montego MX
1975 Mercury Montego Villager
1976 Ford Custom 500 Base
1976 Ford Elite Base
1976 Ford F-100 Base
1976 Ford F-100 Custom
1976 Ford F-100 Northland
1976 Ford F-100 Ranger
1976 Ford F-100 Ranger XLT
1976 Ford F-150 Base
1976 Ford F-150 Custom
1976 Ford F-150 Northland
1976 Ford F-150 Ranger
1976 Ford F-150 Ranger XLT
1976 Ford F-250 Base
1976 Ford F-250 Custom
1976 Ford F-250 Northland
1976 Ford F-250 Ranger
1976 Ford F-250 Ranger XLT
1976 Ford F-350 Base
1976 Ford F-350 Custom
1976 Ford F-350 Northland
1976 Ford F-350 Ranger
1976 Ford F-350 Ranger XLT
1976 Ford Gran Torino Base
1976 Ford Gran Torino Brougham
1976 Ford Gran Torino Squire
1976 Ford LTD Base
1976 Ford LTD Brougham
1976 Ford LTD Country Squire
1976 Ford LTD Landau
1976 Ford Ranchero 500
1976 Ford Ranchero GT
1976 Ford Ranchero Squire
1976 Ford Thunderbird Base
1976 Ford Torino Base
1976 Lincoln Continental Base
1976 Lincoln Mark IV Base
1976 Mercury Cougar XR-7
1976 Mercury Grand Marquis Base
1976 Mercury Marquis Base
1976 Mercury Marquis Brougham
1976 Mercury Marquis Colony Park
1976 Mercury Montego Base
1976 Mercury Montego MX
1976 Mercury Montego MX Brougham
1976 Mercury Montego MX Villager
1977 Ford F-100 Base
1977 Ford F-100 Custom
1977 Ford F-100 Northland
1977 Ford F-100 Ranger
1977 Ford F-100 Ranger XLT
1977 Ford F-100 XLT
1977 Ford F-150 Base
1977 Ford F-150 Custom
1977 Ford F-150 Northland
1977 Ford F-150 Ranger
1977 Ford F-150 Ranger XLT
1977 Ford F-150 XLT
1977 Ford F-250 Base
1977 Ford F-250 Custom
1977 Ford F-250 Northland
1977 Ford F-250 Ranger
1977 Ford F-250 Ranger XLT
1977 Ford F-250 XLT
1977 Ford F-350 Base
1977 Ford F-350 Custom
1977 Ford F-350 Northland
1977 Ford F-350 Ranger
1977 Ford F-350 Ranger XLT
1977 Ford F-350 XLT
1977 Ford LTD Base
1977 Ford LTD Country Squire
1977 Ford LTD Landau
1977 Ford Ranchero 500
1977 Ford Ranchero GT
1977 Lincoln Continental Base
1977 Lincoln Mark V Base
1977 Mercury Grand Marquis Base
1977 Mercury Marquis Base
1977 Mercury Marquis Brougham
1978 Ford F-150 Base
1978 Ford F-150 Custom
1978 Ford F-150 Northland
1978 Ford F-150 Ranger
1978 Ford F-150 Ranger Lariat
1978 Ford F-150 Ranger XLT
1978 Ford F-250 Base
1978 Ford F-250 Custom
1978 Ford F-250 Northland
1978 Ford F-250 Ranger
1978 Ford F-250 Ranger Lariat
1978 Ford F-250 Ranger XLT
1978 Ford F-350 Base
1978 Ford F-350 Custom
1978 Ford F-350 Northland
1978 Ford F-350 Ranger
1978 Ford F-350 Ranger Lariat
1978 Ford F-350 Ranger XLT
1978 Ford LTD Base
1978 Ford LTD Country Squire
1978 Ford LTD Landau
1978 Lincoln Continental Base
1978 Lincoln Mark V Base
1978 Mercury Grand Marquis Base
1978 Mercury Marquis Base
1978 Mercury Marquis Brougham
1979 Ford F-100 Custom
1979 Ford F-100 Ranger
1979 Ford F-100 Ranger Lariat
1979 Ford F-100 Ranger XLT
1979 Ford F-150 Custom
1979 Ford F-150 Ranger
1979 Ford F-150 Ranger Lariat
1979 Ford F-150 Ranger XLT
1979 Ford F-250 Custom
1979 Ford F-250 Ranger
1979 Ford F-250 Ranger Lariat
1979 Ford F-250 Ranger XLT
1979 Ford F-350 Custom
1979 Ford F-350 Ranger
1979 Ford F-350 Ranger Lariat
1979 Ford F-350 Ranger XLT
1983 Ford F-250 Base
1983 Ford F-250 XL
1983 Ford F-250 XLS
1983 Ford F-250 XLT
1983 Ford F-350 Base
1983 Ford F-350 XL
1983 Ford F-350 XLS
1983 Ford F-350 XLT
1984 Ford F-250 Base
1984 Ford F-250 XL
1984 Ford F-250 XLT
1984 Ford F-350 Base
1984 Ford F-350 XL
1984 Ford F-350 XLT
1985 Ford F-250 Base
1985 Ford F-250 XL
1985 Ford F-250 XLT Lariat
1985 Ford F-350 Base
1985 Ford F-350 XL
1985 Ford F-350 XLT Lariat
1986 Ford F-250 Base
1986 Ford F-250 XL
1986 Ford F-250 XLT Lariat
1986 Ford F-350 Base
1986 Ford F-350 XL
1986 Ford F-350 XLT Lariat
1987 Ford F-250 Custom
1987 Ford F-250 XL
1987 Ford F-250 XLT Lariat
1987 Ford F-350 Custom
1987 Ford F-350 XL
1987 Ford F-350 XLT Lariat
1988 Ford F-250 Custom
1988 Ford F-250 XL
1988 Ford F-250 XLT Lariat
1988 Ford F-350 Custom
1988 Ford F-350 XL
1988 Ford F-350 XLT Lariat
1989 Ford F-250 Custom
1989 Ford F-250 XL
1989 Ford F-250 XLT Lariat
1989 Ford F-350 Custom
1989 Ford F-350 XL
1989 Ford F-350 XLT Lariat
1990 Ford F-250 Custom
1990 Ford F-250 XL
1990 Ford F-250 XLT Lariat
1990 Ford F-350 Custom
1990 Ford F-350 XL
1990 Ford F-350 XLT Lariat
1991 Ford F-250 Custom
1991 Ford F-250 XL
1991 Ford F-250 XLT Lariat
1991 Ford F-350 Custom
1991 Ford F-350 XL
1991 Ford F-350 XLT Lariat
1992 Ford F-250 Custom
1992 Ford F-250 XL
1992 Ford F-250 XLT Lariat
1992 Ford F-350 Custom
1992 Ford F-350 XL
1992 Ford F-350 XLT Lariat
1993 Ford F-250 XL
1993 Ford F-250 XLT
1993 Ford F-350 XL
1993 Ford F-350 XLT
1994 Ford F-250 XL
1994 Ford F-250 XLT
1994 Ford F-350 XL
1994 Ford F-350 XLT