The Enginetech Engine Piston Ring Set R40058-060 is engineered to meet or exceed original equipment specifications, making it the ideal choice for both professional mechanics and DIY enthusiasts looking to maintain peak engine performance. Compatible with a wide range of vehicles such as AMC, Chrysler, Ford, and GM models featuring a 4-inch bore, this piston ring set ensures optimal engine function and extended lifespan. The set's superior consolidation includes all needed components, eliminating the hassle of multiple part look-ups and ensuring comprehensive coverage for each application. Enginetech’s commitment to quality is evident in this piston ring set, which promises enhanced dependability and performance. Designed to minimize oil consumption and enhance compression, this set significantly boosts your engine's efficiency. Pair it with recommended products like gaskets and seals for a complete engine overhaul, ensuring a smooth ride and robust engine health. For maximum reliability and efficient installation, this Enginetech piston ring set is your go-to choice.

• OE-quality piston rings for 4in bore engines
• Exceptional consolidation with all necessary components
• Compatible with AMC, Chrysler, Ford, and GM
• Enhanced engine performance and lifespan
• Dependable oil control and compression gain
• Meets or surpasses OE specifications

Number of Cylinders:	8
Bore Inch:	4.000
Et Bore Diameter:	101.6
Oil Ring Thickness:	3/16
Oil width inch:	0.188
Width top mm:	1.984
Width 2nd inch:	0.078
Ring Outside Diameter:	4.000
Top Compression Ring Thickness:	5/64
Weight:	1.5000 lbs

• Dana-Perfect Circle: 50564
• Fed. Mogul: E-251X
• Hastings: 139

Fits what vehicles: 1953-1956 Buick Roadmaster, 1953-1956 Buick Super, 1954-1956 Buick Century, 1954 Buick Skylark, 1956 Buick Special, 1956-1957 Cadillac Commercial Chassis, 1956-1957 Cadillac DeVille, 1956-1957 Cadillac Eldorado, 1956-1957 Cadillac Series 60 Fleetwood, 1956-1957 Cadillac Series 62, 1956-1957 Cadillac Series 75 Fleetwood, 1959-1963 Cadillac Commercial Chassis, 1959-1963 Cadillac DeVille, 1959-1963 Cadillac Eldorado, 1959-1963 Cadillac Series 60 Fleetwood, 1959-1963 Cadillac Series 62, 1959-1963 Cadillac Series 75 Fleetwood, 1957-1958 Chrysler 300, 1957-1958 Chrysler Imperial, 1957-1958 Chrysler New Yorker, 1957-1958 Chrysler Newport, 1960-1966 American Motors Ambassador, 1962-1975 Chevrolet Bel Air, 1962-1972 Chevrolet Biscayne, 1962-1982 Chevrolet Corvette, 1962-1985 Chevrolet Impala, 1962-1969 Pontiac Laurentian, 1962-1969 Pontiac Parisienne, 1962-1969 Pontiac Strato-Chief, 1984-1985 Chevrolet Corvette, 1963 Ford 300, 1963-1974 Ford Country Sedan, 1963-1974 Ford Country Squire, 1963-1970 Ford Fairlane, 1963-1967 Ford Galaxie, 1963-1974 Ford Ranch Wagon, 1963 Mercury Country Cruiser, 1963 Mercury Meteor, 1964-1973 Chevrolet Chevelle, 1964-1967 Chevrolet Malibu, 1964-1972 Ford Custom, 1964-1970 Ford Falcon, 1964-1968 Ford GT40, 1964-1973 Ford Mustang, 1964 Ford Sprint, 1964-1967 Mercury Caliente, 1964-1969 Mercury Comet, 1964-1971 Mercury Cyclone, 1964-1967 Mercury Villager, 1965-1966 American Motors Classic, 1965-1966 American Motors Marlin, 1965-1968 Chevrolet Chevy II, 1965-1985 Ford LTD, 1965-1968 Jeep Gladiator, 1965 Jeep J-200, 1965 Jeep J-210, 1965 Jeep J-220, 1965 Jeep J-230, 1965-1968 Jeep J-2500, 1965-1968 Jeep J-2600, 1965-1968 Jeep J-2700, 1965-1967 Jeep J-2800, 1965 Jeep J-300, 1965 Jeep J-310, 1965 Jeep J-320, 1965 Jeep J-330, 1965-1968 Jeep J-3500, 1965-1968 Jeep J-3600, 1965-1968 Jeep J-3700, 1965-1968 Jeep J-3800, 1965-1968 Jeep Wagoneer, 1971-1977 Mercury Comet, 1965-1967 Oldsmobile 442, 1965-1967 Oldsmobile Cutlass, 1965-1966 Oldsmobile F85, 1965-1968 Pontiac Acadian, 1966 American Motors Rebel, 1966-1968 Chevrolet C10 Pickup, 1966-1974 Chevrolet C20 Pickup, 1966-1974 Chevrolet C30 Pickup, 1966-1982 Chevrolet Caprice, 1966-1979 Chevrolet El Camino, 1966-1974 Chevrolet K10 Pickup, 1966-1974 Chevrolet K20 Pickup, 1966 Chevrolet Suburban, 1966-1974 Ford Bronco, 1966-1979 Ford Ranchero, 1966-1967 Mercury Capri, 1966-1967 Mercury Voyager, 1967-1986 Chevrolet C10 Suburban, 1967-1986 Chevrolet C20 Suburban, 1967-1981 Chevrolet Camaro, 1967-1986 Chevrolet K10 Suburban, 1967-1986 Chevrolet K20 Suburban, 1967-1968 GMC C15/C1500 Pickup, 1967-1974 GMC C15/C1500 Suburban, 1967-1974 GMC C25/C2500 Pickup, 1967-1974 GMC C25/C2500 Suburban, 1967-1974 GMC C35/C3500 Pickup, 1967-1974 GMC K15/K1500 Pickup, 1967-1974 GMC K15/K1500 Suburban, 1967-1974 GMC K25/K2500 Pickup, 1967-1974 GMC K25/K2500 Suburban, 1967 Jeep J-100, 1967 Mercury Commuter, 1967-1981 Mercury Cougar, 1985 Chevrolet Caprice, 1968-1974 Chevrolet K30 Pickup, 1977-1994 Ford Bronco, 1968-1977 Ford Custom 500, 1968-1974 Ford Galaxie 500, 1968-1976 Ford Torino, 1968-1974 GMC K35/K3500 Pickup, 1983-1985 Mercury Cougar, 1968-1976 Mercury Montego, 1969-1974 Chevrolet Blazer, 1969-1972 Chevrolet Brookwood, 1983-1984 Chevrolet El Camino, 1969-1970 Chevrolet Estate, 1969-1972 Chevrolet Kingswood, 1973-1980 Chevrolet Malibu, 1969-1979 Chevrolet Nova, 1969-1972 Chevrolet Townsman, 1971-1980 Chrysler Newport, 1969-1983 Ford E-100 Econoline, 1969-1974 Ford E-200 Econoline, 1969-1983 Ford F-100, 1969-1974 Ford F-250, 1979-1985 Ford Mustang, 1969-1974 Mercury Colony Park, 1970-1974 Chevrolet G10 Van, 1970-1974 Chevrolet G20 Van, 1970-1974 Chevrolet G30 Van, 1970-1977 Chevrolet Monte Carlo, 1970-1977 Ford Maverick, 1970-1974 GMC G35/G3500 Van, 1970-1986 GMC Jimmy, 1970-1982 Mercury Marquis, 1970-1974 Mercury Monterey, 1971-1974 Dodge B100 Van, 1971-1974 Dodge B200 Van, 1971-1974 Dodge B300 Van, 1971-1974 Dodge Challenger, 1971-1978 Dodge Charger, 1971-1976 Dodge Coronet, 1971-1974 Dodge D100 Pickup, 1971-1974 Dodge D200 Pickup, 1971-1974 Dodge D300 Pickup, 1971-1977 Dodge Dart, 1971-1978 Dodge Monaco, 1971-1973 Dodge Polara, 1971-1974 Dodge W200 Pickup, 1971-1974 Dodge W300 Pickup, 1977-1994 Ford F-250, 1971-1974 Ford Thunderbird, 1971-1977 GMC Sprint, 1971-1974 Plymouth Barracuda, 1971-1974 Plymouth Cuda, 1971-1978 Plymouth Fury, 1971-1974 Plymouth Fury I, 1971-1974 Plymouth Fury II, 1971-1974 Plymouth Fury III, 1971-1974 Plymouth Satellite, 1971-1974 Plymouth Valiant, 1972-1974 Dodge W100 Pickup, 1972-1994 Ford F-350, 1972-1976 Ford Gran Torino, 1972 Ford P-350, 1972-1977 Plymouth Gran Fury, 1976 Plymouth Valiant, 1973-1976 Chevrolet Laguna, 1973-1980 Dodge CB300, 1977-1981 Ford Thunderbird, 1977-1979 Buick Century, 1974-1993 Dodge Ramcharger, 1974-1978 Ford Mustang II, 1974-1976 Plymouth Duster, 1980 Plymouth Gran Fury, 1974 Plymouth PB100 Van, 1974 Plymouth PB300 Van, 1974-1975 Plymouth Road Runner, 1974-1981 Plymouth Trailduster, 1975-1986 Chevrolet C10, 1975-1986 Chevrolet C20, 1975-1986 Chevrolet C30, 1975-1986 Chevrolet G10, 1975-1986 Chevrolet G20, 1975-1986 Chevrolet G30, 1975-1986 Chevrolet K10, 1975-1986 Chevrolet K20, 1975-1986 Chevrolet K5 Blazer, 1975 Chevrolet P10, 1975-1986 Chevrolet P20, 1975-1986 Chevrolet P30, 1975-1980 Chrysler Cordoba, 1977-1979 Chrysler New Yorker, 1975-1980 Dodge B200, 1975-1980 Dodge B300, 1975-1980 Dodge D100, 1975-1980 Dodge D200, 1975-1980 Dodge D300, 1975-1977 Dodge Royal Monaco, 1975-1977 Dodge W100, 1975-1980 Dodge W200, 1975-1980 Dodge W300, 1975-1983 Ford E-100 Econoline Club Wagon, 1975-1994 Ford E-150 Econoline, 1975-1994 Ford E-150 Econoline Club Wagon, 1975-1994 Ford E-250 Econoline, 1975-1991 Ford E-250 Econoline Club Wagon, 1975-1994 Ford E-350 Econoline, 1975-1976 Ford Elite, 1975-1994 Ford F-150, 1975-1980 Ford Granada, 1976 Ford P-350, 1975-1978 GMC C15 Suburban, 1975-1978 GMC C25, 1975-1978 GMC C25 Suburban, 1975-1978 GMC C35, 1975-1978 GMC G15, 1975-1978 GMC G25, 1975-1978 GMC G35, 1975-1978 GMC K15, 1975-1978 GMC K15 Suburban, 1975-1978 GMC K25, 1975-1978 GMC K25 Suburban, 1975-1978 GMC P25, 1975-1978 GMC P35, 1975-1985 Mercury Grand Marquis, 1975-1980 Mercury Monarch, 1978-1981 Oldsmobile Cutlass, 1975-1980 Plymouth PB200, 1975-1980 Plymouth PB300, 1977-1979 Buick Skylark, 1977-1978 Chevrolet P10, 1976-1980 Dodge Aspen, 1976-1977 Dodge B100, 1976 Ford P-400, 1976-1977 Ford P-500, 1976-1978 Plymouth PB100, 1976-1980 Plymouth Volare, 1977-1980 Buick Estate Wagon, 1977-1979 Buick LeSabre, 1977-1986 Chevrolet K30, 1977-1982 Dodge D150, 1977-1981 Dodge W150, 1977-1994 Ford E-350 Econoline Club Wagon, 1977-1979 Ford LTD II, 1977-1978 GMC K35, 1977-1980 Lincoln Continental, 1977-1979 Lincoln Mark V, 1977-1980 Lincoln Versailles, 1979 Mercury Capri, 1977-1985 Oldsmobile Custom Cruiser, 1977-1985 Oldsmobile Delta 88, 1977-1979 Oldsmobile Omega, 1977-1979 Pontiac Bonneville, 1977-1979 Pontiac Catalina, 1977-1979 Pontiac Firebird, 1977-1979 Pontiac Grand LeMans, 1977-1979 Pontiac Grand Prix, 1977 Pontiac Grand Safari, 1977-1979 Pontiac LeMans, 1977-1979 Pontiac Phoenix, 1977 Pontiac Ventura, 1978-1979 Chrysler LeBaron, 1984-1988 Dodge D100, 1984-1991 Dodge D150, 1978-1979 Dodge Diplomat, 1978-1979 Dodge Magnum, 1978-1980 Dodge RD200, 1978-1983 Ford Fairmont, 1978-1979 GMC Caballero, 1982-1985 Lincoln Continental, 1978-1979 Mercury Zephyr, 1978-1985 Oldsmobile Cutlass Supreme, 1978-1979 Pontiac Grand Am, 1979 Buick Regal, 1979-1985 Cadillac Fleetwood, 1993 Dodge D150, 1979-1980 Dodge St. Regis, 1984-1991 Dodge W150, 1979-1986 GMC C1500, 1979-1986 GMC C2500, 1979-1986 GMC C2500 Suburban, 1979-1986 GMC C3500, 1979-1986 GMC G1500, 1979-1986 GMC G2500, 1979-1986 GMC G3500, 1979-1986 GMC K1500, 1979-1986 GMC K1500 Suburban, 1979-1986 GMC K2500, 1979-1986 GMC K2500 Suburban, 1979-1986 GMC K3500, 1979-1986 GMC P2500, 1979-1986 GMC P3500, 1982-1985 Mercury Capri, 1980 Dodge Mirada, 1993 Dodge W150, 1980-1983 Lincoln Mark VI, 1981-1993 Dodge B350, 1981-1993 Dodge D350, 1984-1988 Dodge W100, 1981-1982 Dodge W250, 1981-1993 Dodge W350, 1983-1984 GMC Caballero, 1981-1985 Lincoln Town Car, 1981 Plymouth PB250, 1981-1983 Plymouth PB350, 1984-1993 Dodge W250, 1984-1993 Dodge B250, 1984-1993 Dodge D250, 1984-1985 Lincoln Mark VII, 1987-1991 Ford LTD Crown Victoria