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Mr. Gasket  |  SKU: 2230G

Mr. Gasket Headlock Locking Header Bolts - 3/8-16 x 3/4 Inch - Set of 12 - 2230G

Regular price $49.15 USD
Shipping calculated at checkout.

The "verify fitment tool" above is for Year, Make, and Model ONLY!

Please see description for full fitment notes!!!

Fitment

Warranty Information

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Description

Overview:

Headlock™ Bolts eliminate the need for lock washers, Period. That's because each Headlock™ Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Features:

  • 12 per Package
  • Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
  • 410 stainless steel
  • Minimum 180,000 PSI tensile strength
  • 24 equally spaced clockwise teeth

Application:

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Year Make Model Submodel Engine Size
1975 - 1980 Plymouth PB100 318/5.2 V8
1972 - 1980 Plymouth Gran Fury 360/5.9 V8
1976 - 1978 Plymouth PB100 360/5.9 V8
1981 - 1983 Plymouth PB150 318/5.2 V8
1975 - 1980 Plymouth PB200 318/5.2 V8
1975 - 1980 Plymouth PB200 360/5.9 V8
1972 - 1983 Plymouth Gran Fury 318/5.2 V8
1984 - 1989 Plymouth Gran Fury
1981 - 1983 Plymouth PB250 318/5.2 V8
1975 - 1980 Plymouth PB300
1976 - 1978 Plymouth PB300 318/5.2 V8
1976 - 1978 Plymouth PB300 360/5.9 V8
1979 Plymouth PB200
1981 - 1983 Plymouth PB350
1981 Plymouth PB250 360/5.9 V8
1968 - 1975 Plymouth Road Runner 318/5.2 V8
1974 - 1975 Plymouth Road Runner 360/5.9 V8
1971 - 1976 Plymouth Scamp 318/5.2 V8
1968 - 1976 Plymouth Valiant 318/5.2 V8
1976 Plymouth Valiant 360/5.9 V8
1976 - 1980 Plymouth Volare 360/5.9 V8
1976 - 1980 Plymouth Volare 318/5.2 V8
1977 - 1981 Buick Century 305/5 V8
1973 - 1975 Buick Apollo 350/5.7 V8
1973 - 1979 Buick Century 350/5.7 V8
1976 - 1977 Buick Electra 350/5.7 V8
1975 Buick LeSabre 400/6.6 V8
1978 Buick LeSabre 305/5 V8
1972 - 1977 Buick LeSabre 350/5.7 V8
1973 - 1977 Buick Regal 350/5.7 V8
1977 - 1987 Buick Regal 305/5 V8
1991 - 1993 Buick Roadmaster
1991 - 1993 Buick Commercial Chassis
1975 - 1979 Buick Skylark 350/5.7 V8
1977 - 1979 Buick Skylark 305/5 V8
1980 Cadillac Eldorado 350/5.7 V8
1993 Cadillac Fleetwood
1990 Cadillac Brougham 350/5.7 V8
1992 - 1993 Cadillac Commercial Chassis 350/5.7 V8
1980 Cadillac Seville 350/5.7 V8
1991 - 1992 Cadillac Brougham
1970 - 1975 Chevrolet Bel Air 400/6.6 V8
1969 - 1975 Chevrolet Bel Air 350/5.7 V8
1975 - 1986 Chevrolet C10 350/5.7 V8
1976 - 1980 Chevrolet C10 400/6.6 V8
1977 - 1986 Chevrolet C10 305/5 V8
1979 - 1995 GMC C3500 350/5.7 V8
1975 - 1978 GMC G15 350/5.7 V8
1977 - 1978 GMC G15 305/5 V8
1976 GMC G15 400/6.6 V8
1979 - 1993 GMC G1500 350/5.7 V8
1979 - 1995 GMC G1500 305/5 V8
1979 GMC G1500 400/6.6 V8
1960 - 1962 Chevrolet C40 283/4.6 V8
1959 - 1961 Chevrolet Kingswood 283/4.6 V8
1960 - 1967 Chevrolet K10 Pickup 283/4.6 V8
1957 - 1961 Chevrolet Nomad 283/4.6 V8
1960 - 1967 Chevrolet K20 Pickup 283/4.6 V8
1959 - 1961 Chevrolet Parkwood 348/5.7 V8
1959 - 1961 Chevrolet Kingswood 348/5.7 V8
1958 - 1961 Chevrolet Nomad 348/5.7 V8
1957 - 1960 Chevrolet Truck 283/4.6 V8
1961 Pontiac Tempest 389/6.4 V8
1959 - 1961 Chevrolet Parkwood 283/4.6 V8
1966 Dodge A100 273/4.5 V8
1968 - 1970 Pontiac Executive 400/6.6 V8
1968 - 1969 Pontiac Executive 428/7 V8
1968 - 1970 Pontiac Tempest 350/5.7 V8
1969 - 1970 Chevrolet Estate 350/5.7 V8
1969 Chevrolet Estate 327/5.3 V8
1967 Pontiac Executive
1968 - 1970 Pontiac Tempest 400/6.6 V8
1970 Dodge A100
1970 Pontiac Executive 455/7.5 V8
1969 - 1970 Chevrolet Estate 307/5 V8
1972 Buick Sportwagon
1970 Chevrolet Estate 400/6.6 V8
1991 - 1993 Chevrolet Commercial Chassis
1975 - 1989 Dodge D100 318/5.2 V8
1992 Chevrolet Commercial Chassis 305/5 V8
1992 Chevrolet Commercial Chassis 350/5.7 V8
1975 - 1988 Dodge D100 360/5.9 V8
1968 - 1973 GMC C35/C3500 Pickup 307/5 V8
1969 - 1974 GMC C35/C3500 Pickup 350/5.7 V8
1968 - 1973 GMC G15/G1500 Van 307/5 V8
1971 - 1974 GMC G15/G1500 Van 350/5.7 V8
1970 - 1974 GMC G25/G2500 Van 350/5.7 V8
1968 - 1973 GMC G25/G2500 Van 307/5 V8
1967 GMC G15/G1500 Van 327/5.4 V8
1967 GMC G15/G1500 Van 283/4.6 V8
1971 - 1974 GMC G35/G3500 Van 350/5.7 V8
1969 - 1974 Chevrolet C10 Pickup 350/5.7 V8
1968 - 1973 Chevrolet C10 Pickup 307/5 V8
1960 - 1967 Chevrolet C20 Pickup 283/4.6 V8
1960 - 1961 Chevrolet C20 Pickup 348/5.7 V8
1966 - 1969 Chevrolet C20 Pickup 327/5.3 V8
1968 - 1973 Chevrolet C20 Pickup 307/5 V8
1967 - 1970 Dodge A100 Truck 318/5.2 V8
1971 - 1973 Dodge Charger 340/5.6 V8
1974 - 1978 Dodge Charger 360/5.9 V8
1971 - 1974 Dodge B100 Van 318/5.2 V8
1971 - 1974 Dodge B100 Van 360/5.9 V8
1965 - 1976 Dodge Coronet 318/5.2 V8
1965 - 1968 Dodge Coronet 273/4.5 V8
1971 - 1974 Dodge B200 Van 318/5.2 V8
1971 - 1974 Dodge B200 Van 360/5.9 V8
1971 - 1974 Dodge B300 Van 318/5.2 V8
1971 - 1974 Dodge B300 Van 360/5.9 V8
1974 - 1979 Dodge CB300 318/5.2 V8
1974 - 1979 Dodge CB300 360/5.9 V8
1970 - 1974 Dodge Challenger 318/5.2 V8
1970 - 1973 Dodge Challenger 340/5.6 V8
1972 - 1973 Dodge Coronet 340/5.6 V8
1973 - 1976 Dodge Coronet 360/5.9 V8
1968 - 1974 Dodge D100 Pickup 318/5.2 V8
1966 - 1978 Dodge Charger 318/5.2 V8
1971 - 1974 Dodge D100 Pickup 360/5.9 V8
1960 - 1967 Dodge D100 Series 318/5.2 V8
1968 - 1974 Dodge D200 Pickup 318/5.2 V8
1956 Dodge Coronet 315/5.1 V8
1971 - 1974 Dodge D200 Pickup 360/5.9 V8
1960 - 1967 Dodge D200 Series 318/5.2 V8
1968 - 1974 Dodge D300 Pickup 318/5.2 V8
1971 - 1974 Dodge D300 Pickup 360/5.9 V8
1960 - 1967 Dodge D300 Series 318/5.2 V8
1960 - 1976 Dodge Dart 318/5.2 V8
1964 - 1969 Dodge Dart 273/4.5 V8
1968 - 1973 Dodge Dart 340/5.6 V8
1959 - 1976 Pontiac Catalina
1967 - 1979 Pontiac Firebird 400/6.6 V8
1971 - 1974 Pontiac Bonneville 455/7.5 V8
1971 - 1978 Pontiac Bonneville 400/6.6 V8
1968 - 1992 Pontiac Firebird 350/5.7 V8
1971 - 1976 Pontiac Firebird 455/7.5 V8
1978 - 1983 Dodge Diplomat 318/5.2 V8
1981 - 1988 Dodge D350
1977 - 1989 Dodge Diplomat
1989 - 1991 Dodge D350 360/5.9 V8
1970 - 1976 Pontiac LeMans 455/7.5 V8
1971 - 1974 Pontiac Grand Safari 455/7.5 V8
1968 - 1979 Pontiac LeMans 350/5.7 V8
1971 - 1975 Pontiac Grandville
1972 - 1974 Pontiac Grandville 455/7.5 V8
1968 - 1977 Pontiac LeMans 400/6.6 V8
1964 - 1973 Pontiac GTO
1959 - 1961 Pontiac Star Chief 389/6.4 V8
1962 - 1966 Pontiac Star Chief
1960 Pontiac Ventura
1971 - 1977 Pontiac Ventura 350/5.7 V8
1971 - 1973 Pontiac Ventura 307/5 V8
1973 - 1975 Chevrolet Laguna 400/6.6 V8
1969 - 1972 Chevrolet Kingswood 350/5.7 V8
1973 Chevrolet Laguna 307/5 V8
1988 - 1995 Chevrolet K1500 305/5 V8
1988 - 1995 Chevrolet K1500 350/5.7 V8
1975 - 1980 Chevrolet K20 400/6.6 V8
1975 - 1986 Chevrolet K20 350/5.7 V8
1977 - 1985 Chevrolet K20 305/5 V8
1988 - 1995 Chevrolet K2500 305/5 V8
1988 - 1995 Chevrolet K2500 350/5.7 V8
1977 - 1986 Chevrolet K30 350/5.7 V8
1977 - 1980 Chevrolet K30 400/6.6 V8
1988 - 1995 Chevrolet K3500 350/5.7 V8
1973 - 1975 Chevrolet Laguna 350/5.7 V8
1976 Chevrolet Laguna
1973 - 1976 Chevrolet Malibu 400/6.6 V8
1973 - 1981 Chevrolet Malibu 350/5.7 V8
1976 - 1983 Chevrolet Malibu 305/5 V8
1979 - 1982 Chevrolet Malibu 267/4.4 V8
1978 - 1988 Chevrolet Monte Carlo 305/5 V8
1979 - 1982 Chevrolet Monte Carlo 267/4.4 V8
1976 - 1977 Chevrolet Monte Carlo
1970 - 1975 Chevrolet Monte Carlo 400/6.6 V8
1970 - 1975 Chevrolet Monte Carlo 350/5.7 V8
1975 - 1976 Chevrolet Monza 262/4.3 V8
1976 - 1979 Chevrolet Monza 305/5 V8
1975 Chevrolet Nova 262/4.3 V8
1969 - 1979 Chevrolet Nova 350/5.7 V8
1976 - 1979 Chevrolet Nova 305/5 V8
1962 - 1969 Chevrolet Bel Air 327/5.3 V8
1957 - 1967 Chevrolet Bel Air 283/4.6 V8
1968 - 1969 Chevrolet Bel Air 327/5.4 V8
1968 Chevrolet Bel Air 307/5 V8
1958 - 1967 Chevrolet Biscayne 283/4.6 V8
1958 - 1961 Chevrolet Biscayne 348/5.7 V8
1964 - 1967 Dodge A100 Truck 273/4.5 V8
1974 Dodge Challenger 360/5.9 V8
1963 - 1964 Dodge 440 318/5.2 V8
1968 - 1973 Plymouth Barracuda 340/5.6 V8
1974 Plymouth Barracuda
1956 - 1968 Plymouth Belvedere 273/4.5 V8
1970 - 1973 Plymouth Cuda 340/5.6 V8
1958 - 1970 Plymouth Belvedere 318/5.2 V8
1958 - 1959 Plymouth Belvedere 317/5.2 V8
1970 - 1973 Plymouth Duster 340/5.6 V8
1970 - 1976 Plymouth Duster 318/5.2 V8
1974 - 1976 Plymouth Duster 360/5.9 V8
1960 - 1963 Plymouth Fleet Special 318/5.2 V8
1957 - 1978 Plymouth Fury 318/5.2 V8
1967 GMC G25/G2500 Van 327/5.4 V8
1967 GMC G25/G2500 Van 283/4.6 V8
1959 Chevrolet 3E 283/4.6 V8
1959 Chevrolet 3F 283/4.6 V8
1959 Chevrolet 3G 283/4.6 V8
1956 - 1958 Chevrolet Sedan Delivery 322/5.3 V8
1958 Chevrolet Sedan Delivery 348/5.7 V8
1958 Chevrolet Yeoman 283/4.6 V8
1958 - 1959 GMC 100 322/5.3 V8
1958 - 1959 GMC 100 370/6.1 V8
1958 - 1959 GMC 150 322/5.3 V8
1958 - 1959 GMC 100 337/5.5 V8
1958 - 1959 GMC 150 337/5.5 V8
1958 - 1959 GMC 150 370/6.1 V8
1959 Chevrolet 3B 283/4.6 V8
1960 - 1961 Chevrolet C10 Pickup 348/5.7 V8
1959 Chevrolet 3C 283/4.6 V8
1959 Chevrolet 3D 283/4.6 V8
1960 - 1967 Chevrolet C30 Pickup 283/4.6 V8
1960 - 1961 Chevrolet K10 Pickup 348/5.7 V8
1960 - 1961 Chevrolet K20 Pickup 348/5.7 V8
1959 Dodge Truck 318/5.2 V8
1958 - 1960 Chevrolet Truck 348/5.7 V8
1960 - 1967 Chevrolet C10 Pickup 283/4.6 V8
1960 - 1961 Chevrolet C30 Pickup 348/5.7 V8
1956 - 1957 Plymouth Plaza 273/4.5 V8
1956 - 1957 Plymouth Plaza 277/4.5 V8
1958 Plymouth Plaza 318/5.2 V8
1976 - 1980 Chevrolet C20 400/6.6 V8
1977 - 1986 Chevrolet C20 305/5 V8
1975 - 1986 Chevrolet C20 350/5.7 V8
1988 - 1995 Chevrolet C2500 350/5.7 V8
1988 - 1995 Chevrolet C2500 305/5 V8
1976 - 1978 Chevrolet C30 400/6.6 V8
1975 - 1986 Chevrolet C30 350/5.7 V8
1977 - 1991 Dodge D150 360/5.9 V8
1977 - 1991 Dodge D150 318/5.2 V8
1975 - 1980 Dodge D200 360/5.9 V8
1975 - 1980 Dodge D200 318/5.2 V8
1981 - 1991 Dodge D250 318/5.2 V8
1981 - 1993 Dodge D250 360/5.9 V8
1977 - 1978 GMC K35 350/5.7 V8
1977 - 1978 GMC K35 400/6.6 V8
1979 - 1980 GMC K3500 400/6.6 V8
1979 - 1995 GMC K3500 350/5.7 V8
1987 GMC R1500 350/5.7 V8
1987 GMC R1500 305/5 V8
1987 GMC R2500 305/5 V8
1987 - 1989 GMC R2500 350/5.7 V8
1987 - 1991 GMC R3500 350/5.7 V8
1987 GMC V1500 305/5 V8
1987 GMC V1500 350/5.7 V8
1987 GMC V2500 350/5.7 V8
1987 - 1991 GMC V3500 350/5.7 V8
1975 Oldsmobile 98 400/6.6 V8
1975 Oldsmobile Custom Cruiser 400/6.6 V8
1977 Oldsmobile Custom Cruiser 350/5.7 V8
1968 Chevrolet Impala 307/5 V8
1962 - 1969 Chevrolet Impala 327/5.3 V8
1958 - 1967 Chevrolet Impala 283/4.6 V8
1964 - 1969 Chevrolet Impala 327/5.4 V8
1970 - 1976 Chevrolet Impala 400/6.6 V8
1969 - 1985 Chevrolet Impala 350/5.7 V8
1968 Chevrolet K10 Pickup 327/5.4 V8
1968 - 1973 Chevrolet K10 Pickup 307/5 V8
1966 - 1969 Chevrolet K10 Pickup 327/5.3 V8
1977 - 1979 Oldsmobile Starfire 305/5 V8
1972 - 1975 Oldsmobile Toronado
1977 Pontiac Bonneville 350/5.7 V8
1959 - 1976 Pontiac Bonneville
1983 - 1986 Pontiac Bonneville 305/5 V8
1977 - 1978 Pontiac Catalina 400/6.6 V8
1977 Pontiac Catalina 350/5.7 V8
1980 - 1981 Pontiac Catalina 305/5 V8
1977 - 1992 Pontiac Firebird 305/5 V8
1977 - 1991 Dodge W150 318/5.2 V8
1977 - 1991 Dodge W150 360/5.9 V8
1988 Dodge W150
1989 - 1991 Dodge W250 318/5.2 V8
1989 - 1991 Dodge W250 360/5.9 V8
1975 - 1980 Dodge W200 318/5.2 V8
1975 - 1980 Dodge W200 360/5.9 V8
1975 Dodge W300 318/5.2 V8
1975 Dodge W300 360/5.9 V8
1981 - 1988 Dodge W350
1981 - 1988 Dodge W250
1989 - 1991 Dodge W350 360/5.9 V8
1971 - 1978 Plymouth Fury 360/5.9 V8
1987 Chevrolet R10 350/5.7 V8
1987 Chevrolet R10 305/5 V8
1987 - 1988 Chevrolet R20 305/5 V8
1987 - 1988 Chevrolet R20 350/5.7 V8
1989 Chevrolet R2500 350/5.7 V8
1987 - 1988 Chevrolet R30 350/5.7 V8
1989 - 1991 Chevrolet R3500 350/5.7 V8
1987 Chevrolet V10 350/5.7 V8
1987 Chevrolet V10 305/5 V8
1987 Chevrolet V20 350/5.7 V8
1987 - 1988 Chevrolet V30 350/5.7 V8
1989 - 1991 Chevrolet V3500 350/5.7 V8
1975 - 1978 GMC C15 350/5.7 V8
1976 - 1978 GMC C15 400/6.6 V8
1977 - 1978 GMC C15 305/5 V8
1979 - 1980 GMC C1500 400/6.6 V8
1979 - 1995 GMC C1500 305/5 V8
1979 - 1995 GMC C1500 350/5.7 V8
1975 - 1978 GMC C25 350/5.7 V8
1976 - 1978 GMC C25 400/6.6 V8
1977 - 1978 GMC C25 305/5 V8
1979 - 1995 GMC C2500 350/5.7 V8
1979 GMC C2500 400/6.6 V8
1980 - 1995 GMC C2500 305/5 V8
1973 - 1975 Pontiac Grand Am
1978 - 1980 Pontiac Grand Am 305/5 V8
1975 - 1977 Pontiac Grand LeMans 400/6.6 V8
1975 - 1979 Pontiac Grand LeMans 350/5.7 V8
1975 - 1976 Pontiac Grand LeMans 455/7.5 V8
1976 - 1983 Pontiac Grand LeMans 305/5 V8
1977 Pontiac Grand Prix 400/6.6 V8
1977 Pontiac Grand Prix 350/5.7 V8
1978 - 1987 Pontiac Grand Prix 305/5 V8
1962 - 1976 Pontiac Grand Prix
1975 - 1976 Pontiac Grand Safari
1964 - 1967 Chevrolet Malibu 327/5.3 V8
1970 - 1972 Chevrolet Kingswood 400/6.6 V8
1964 - 1967 Chevrolet Malibu 283/4.6 V8
1973 Chevrolet Malibu 307/5 V8
1969 - 1973 Chevrolet Nova 307/5 V8
1969 - 1972 Chevrolet Townsman 307/5 V8
1969 Chevrolet Townsman 327/5.3 V8
1970 - 1972 Chevrolet Townsman 400/6.6 V8
1955 - 1957 Chevrolet One-Fifty Series 265/4.3 V8
1957 Chevrolet One-Fifty Series 283/4.6 V8
1969 - 1972 Chevrolet Townsman 350/5.7 V8
1955 - 1957 Chevrolet Two-Ten Series 265/4.3 V8
1957 Chevrolet Two-Ten Series 283/4.6 V8
1963 - 1964 Dodge 330 318/5.2 V8
1964 Dodge 330 273/4.5 V8
1975 - 1978 GMC G25 350/5.7 V8
1975 - 1978 GMC G25 400/6.6 V8
1979 - 1980 GMC G2500 400/6.6 V8
1979 - 1995 GMC G2500 350/5.7 V8
1981 - 1995 GMC G2500 305/5 V8
1962 - 1969 Chevrolet Biscayne 327/5.3 V8

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