Boost your vehicle's ignition performance with the ACCEL 0437S-4 U-Groove Spark Plug Set. Designed for both DIY enthusiasts and professional mechanics, these plugs feature a unique U-Groove design for enhanced spark distribution and efficiency. The copper core provides superior conductivity and heat dissipation, ensuring reliability even under high-pressure combustion conditions, making them ideal for performance vehicles. Notably, the shorty design of these spark plugs is perfect for vehicles with tight engine bays, reducing the risk of thermal damage to wires and surrounding components. Whether you're maintaining a classic Buick or unleashing the potential of a Chevrolet Camaro, these spark plugs offer a seamless installation with their 14mm thread and .375-inch reach, compatible with a wide range of models.

• U-Groove design for optimal spark efficiency
• Copper core enhances heat dissipation
• Shorty design prevents boot burning
• 14mm thread and .375-inch reach
• Compatible with multiple classic vehicles
• Resistor technology for reduced interference

Assembly Method:	Gasket (Flat)
Gap Size:	0.035 in.
Hex Size:	13/16 in.
Package Quantity:	4
Projected Tip:	Yes
Reach:	0.375 in.
Resistor:	Yes
Thread Size:	14mm
WARNING CA Proposition 65:	No
Material:	Copper Core

Fits what vehicles: 1955-1956 Cadillac DeVille, 1955-1967 Cadillac Eldorado, 1955-1964 Cadillac Series 60 Fleetwood, 1955-1964 Cadillac Series 62, 1955-1964 Cadillac Series 75 Fleetwood, 1955-1970 Chevrolet Bel Air, 1955-1970 Chevrolet Corvette, 1955-1957 Chevrolet Two-Ten Series, 1958-1967 Cadillac DeVille, 1957 Chevrolet One-Fifty Series, 1957-1958 Chevrolet Truck, 1957-1958 Chrysler Saratoga, 1957-1958 Chrysler Windsor, 1957 Oldsmobile 88, 1957-1959 Oldsmobile Fiesta, 1957 Oldsmobile Starfire, 1957-1959 Oldsmobile Super 88, 1958 Cadillac Series 70 Fleetwood Eldorado, 1958-1970 Chevrolet Biscayne, 1958 Chevrolet Del Ray, 1960 Chevrolet Truck, 1958-1959 Oldsmobile 98, 1958-1959 Oldsmobile Dynamic 88, 1961-1963 Oldsmobile Fiesta, 1961-1964 Oldsmobile Super 88, 1958-1959 Plymouth Belvedere, 1958 Plymouth Custom, 1958-1959 Plymouth Fury, 1958 Plymouth Plaza, 1958-1959 Plymouth Savoy, 1958-1959 Plymouth Suburban, 1959-1970 Chevrolet Impala, 1959-1971 Chrysler 300, 1959-1971 Chrysler Imperial, 1959-1972 Chrysler New Yorker, 1959-1978 Chrysler Newport, 1959-1972 Chrysler Town & Country, 1961-1973 Oldsmobile 98, 1961-1966 Oldsmobile Dynamic 88, 1961-1966 Oldsmobile Starfire, 1960-1970 Pontiac Bonneville, 1960-1970 Pontiac Catalina, 1960-1966 Pontiac Star Chief, 1960-1961 Pontiac Ventura, 1961-1970 Chevrolet C10 Pickup, 1961-1970 Chevrolet C20 Pickup, 1961-1970 Chevrolet C30 Pickup, 1961-1970 Chevrolet K10 Pickup, 1961-1970 Chevrolet K20 Pickup, 1961-1966 Chevrolet Suburban, 1975-1978 Chrysler New Yorker, 1975-1977 Chrysler Town & Country, 1963-1965 Plymouth Belvedere, 1963-1965 Plymouth Fury, 1963-1964 Plymouth Savoy, 1961 Pontiac Tempest, 1962-1966 Buick Electra, 1962-1963 Buick Invicta, 1962-1967 Buick LeSabre, 1967-1970 Plymouth Belvedere, 1962-1970 Pontiac Grand Prix, 1963-1970 Pontiac Tempest, 1963-1966 Buick Riviera, 1963-1966 Buick Wildcat, 1963-1968 Chevrolet Chevy II, 1963-1964 Dodge 330, 1963-1964 Dodge 440, 1963-1965 Dodge Polara, 1963 Plymouth Fleet Special, 1968-1978 Plymouth Fury, 1963-1970 Pontiac LeMans, 1964-1967 Buick Skylark, 1964-1967 Buick Special, 1964-1967 Buick Sportwagon, 1964-1970 Chevrolet Chevelle, 1964-1970 Chevrolet El Camino, 1964-1967 Chevrolet Malibu, 1964-1965 Dodge 880, 1964-1973 Oldsmobile Cutlass, 1964-1970 Oldsmobile F85, 1964-1966 Oldsmobile Jetstar 88, 1964-1965 Oldsmobile Jetstar I, 1964-1973 Oldsmobile Vista Cruiser, 1964-1966 Pontiac GTO, 1965-1967 Buick Gran Sport, 1965-1967 Cadillac Calais, 1965-1967 Cadillac Fleetwood, 1965 Dodge Coronet, 1965 Dodge Monaco, 1968-1973 Dodge Polara, 1965-1971 Oldsmobile 442, 1965-1973 Oldsmobile Delta 88, 1972 Oldsmobile F85, 1965 Plymouth Belvedere II, 1965 Plymouth Fury II, 1965 Plymouth Fury III, 1965 Plymouth Satellite, 1968-1970 Pontiac GTO, 1966-1970 Chevrolet Caprice, 1966-1971 Jeep CJ5, 1966-1967 Jeep Commando, 1966-1967 Jeep Dispatcher, 1966-1970 Jeep DJ5, 1966 Jeep FC150, 1966-1971 Jeep Jeepster, 1966-1967 Jeep Universal, 1966-1973 Oldsmobile Toronado, 1967 Plymouth Belvedere II, 1967-1971 Plymouth Satellite, 1967-1970 Chevrolet Camaro, 1968-1976 Dodge Coronet, 1968-1978 Dodge Monaco, 1967-1968 GMC C15/C1500 Pickup, 1967-1968 GMC C25/C2500 Pickup, 1967-1968 GMC K15/K1500 Pickup, 1967-1968 Oldsmobile Delmont 88, 1968-1974 Plymouth Fury II, 1968-1974 Plymouth Fury III, 1973-1974 Plymouth Satellite, 1967 Plymouth VIP, 1967-1970 Pontiac Executive, 1967-1970 Pontiac Firebird, 1968-1970 Chevrolet C10 Suburban, 1968-1970 Chevrolet C20 Suburban, 1968-1970 Chevrolet G10 Van, 1968-1970 Chevrolet G20 Van, 1968-1970 Chevrolet K10 Suburban, 1968-1970 Chevrolet K20 Suburban, 1968-1970 Chevrolet K30 Pickup, 1968-1978 Dodge Charger, 1968-1974 Dodge D100 Pickup, 1968-1974 Dodge D200 Pickup, 1968-1974 Dodge D300 Pickup, 1968 Dodge Dart, 1968-1971 Dodge W100 Pickup, 1968-1969 Dodge W300 Pickup, 1968 GMC C15/C1500 Suburban, 1968 GMC C25/C2500 Suburban, 1968 GMC C35/C3500 Pickup, 1968 GMC G15/G1500 Van, 1968 GMC G25/G2500 Van, 1968-1969 GMC K15/K1500 Suburban, 1968 GMC K25/K2500 Pickup, 1968 GMC K25/K2500 Suburban, 1968 GMC K35/K3500 Pickup, 1968-1971 Jeep CJ6, 1968-1971 Plymouth Barracuda, 1968-1974 Plymouth Fury I, 1968-1971 Plymouth GTX, 1968-1975 Plymouth Road Runner, 1969-1970 Chevrolet Blazer, 1969-1970 Chevrolet Brookwood, 1969-1970 Chevrolet Kingswood, 1969-1970 Chevrolet Nova, 1969-1970 Chevrolet Townsman, 1969-1971 Dodge W200 Pickup, 1971 Dodge W300 Pickup, 1970 Chevrolet Monte Carlo, 1970-1971 Dodge Challenger, 1974 Dodge W100 Pickup, 1970 GMC Jimmy, 1970-1971 Plymouth Cuda, 1970 Plymouth Superbird, 1971 Dodge B200 Van, 1974 Dodge W200 Pickup, 1972 GMC Jimmy, 1971-1973 Oldsmobile Custom Cruiser, 1971-1973 Oldsmobile Cutlass Supreme, 1972-1977 Plymouth Gran Fury, 1974 Dodge B200 Van, 1973 Oldsmobile Omega, 1974 Dodge B100 Van, 1974 Dodge M300, 1974 Dodge M350, 1974-1978 Plymouth Trailduster, 1975-1978 Chrysler Cordoba, 1975-1978 Dodge B200, 1975-1978 Dodge B300, 1975-1978 Dodge D200, 1975-1977 Dodge Royal Monaco, 1975-1977 Dodge W100, 1976-1978 Dodge D100, 1976-1978 Dodge D300, 1976-1978 Dodge W200, 1976-1978 Dodge W300, 1976-1978 Plymouth PB200, 1976-1978 Plymouth PB300, 1977-1979 Dodge CB300, 1977-1978 Dodge D150, 1977-1978 Dodge Ramcharger, 1977-1978 Dodge W150, 1978 Dodge Magnum