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Mr. Gasket  |  SKU: 2231G

Mr. Gasket Headlock Locking Header Bolts - 3/8-16 x 3/4 Inch - Set of 16 - 2231G

Regular price $58.35 USD
Shipping calculated at checkout.

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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:

  • 16 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:

Year Make Model Submodel Engine Size
1973 - 1974 GMC C35/C3500 Pickup 454/7.4 V8
1968 - 1969 GMC K15/K1500 Pickup 396/6.5 V8
1968 - 1969 GMC K25/K2500 Pickup 396/6.5 V8
1973 - 1974 GMC K25/K2500 Pickup 454/7.4 V8
1968 - 1969 GMC K35/K3500 Pickup 396/6.5 V8
1970 - 1971 GMC K35/K3500 Pickup 402/6.6 V8
1973 - 1974 GMC K35/K3500 Pickup 454/7.4 V8
1967 Mercury Brougham 428/7 V8
1966 - 1967 Mercury Colony Park 410/6.7 V8
1966 - 1968 Mercury Colony Park 428/7 V8
1965 - 1967 Mercury Colony Park 427/7 V8
1967 Mercury Brougham 410/6.7 V8
1967 Mercury Brougham 427/7 V8
1965 Mercury Caliente 427/7 V8
1966 - 1967 Mercury Commuter 410/6.7 V8
1966 - 1968 Mercury Commuter 428/7 V8
1968 Mercury Cougar 427/7 V8
1970 - 1971 Mercury Cougar 429/7 V8
1968 - 1970 Mercury Cougar 428/7 V8
1965 - 1967 Mercury Comet 427/7 V8
1965 - 1968 Mercury Cyclone 427/7 V8
1968 - 1969 Mercury Cyclone 428/7 V8
1965 - 1967 Mercury Commuter 427/7 V8
1969 Mercury Cougar 302/5 V8
1965 Mercury Marauder 427/7 V8
1967 Mercury Marquis 410/6.7 V8
1967 - 1969 Mercury Marquis 428/7 V8
1966 - 1967 Mercury Montclair 410/6.7 V8
1965 - 1967 Mercury Montclair 427/7 V8
1968 - 1969 Mercury Montego 428/7 V8
1968 Mercury Montego 427/7 V8
1970 - 1971 Mercury Cyclone 429/7 V8
1967 Mercury Marquis 427/7 V8
1966 - 1968 Mercury Montclair 428/7 V8
1965 - 1967 Mercury Monterey 427/7 V8
1966 - 1970 Mercury Monterey 428/7 V8
1970 Mercury Montego 429/7 V8
1966 - 1967 Mercury Park Lane 410/6.7 V8
1966 - 1968 Mercury Park Lane 428/7 V8
1966 - 1967 Mercury Monterey 410/6.7 V8
1965 - 1967 Mercury Park Lane 427/7 V8
1965 Mercury Villager 427/7 V8
1965 - 1968 Ford Custom 500 427/7 V8
1965 - 1968 Ford Galaxie 500 427/7 V8
1966 - 1970 Ford Custom 500 428/7 V8
1969 - 1970 Chevrolet Nova 396/6.5 V8
1961 Chevrolet Brookwood 409/6.7 V8
1961 Chevrolet Kingswood 409/6.7 V8
1961 Chevrolet Nomad 409/6.7 V8
1961 Chevrolet Parkwood 409/6.7 V8
1963 Ford 300 427/7 V8
1966 Ford Custom 427/7 V8
1968 - 1970 Ford Custom 428/7 V8
1969 Chevrolet Estate 396/6.5 V8
1969 Chevrolet Estate 427/7 V8
1970 Chevrolet Estate 454/7.4 V8
1970 Chevrolet Estate 402/6.6 V8
1969 Chevrolet Brookwood 427/7 V8
1970 - 1972 Chevrolet Brookwood 454/7.4 V8
1970 - 1972 Chevrolet Brookwood 402/6.6 V8
1968 - 1969 Chevrolet C10 Pickup 396/6.5 V8
1970 - 1972 Chevrolet C10 Pickup 402/6.6 V8
1973 - 1974 Chevrolet C10 Pickup 454/7.4 V8
1968 - 1969 Chevrolet C20 Pickup 396/6.5 V8
1970 - 1972 Chevrolet C20 Pickup 402/6.6 V8
1973 - 1974 Chevrolet C20 Pickup 454/7.4 V8
1968 - 1969 Chevrolet C30 Pickup 396/6.5 V8
1970 - 1972 Chevrolet C30 Pickup 402/6.6 V8
1973 - 1974 Chevrolet C30 Pickup 454/7.4 V8
1967 - 1969 Chevrolet Camaro 396/6.5 V8
1969 Chevrolet Camaro 427/7 V8
1970 - 1972 Chevrolet Camaro 402/6.6 V8
1966 - 1969 Chevrolet Caprice 396/6.5 V8
1966 - 1969 Chevrolet Caprice 427/7 V8
1970 - 1976 Chevrolet Caprice 454/7.4 V8
1970 - 1972 Chevrolet Caprice 402/6.6 V8
1965 - 1970 Chevrolet Chevelle 396/6.5 V8
1970 - 1973 Chevrolet Chevelle 454/7.4 V8
1970 - 1972 Chevrolet Chevelle 402/6.6 V8
1968 Chevrolet Chevy II 396/6.5 V8
1966 - 1969 Chevrolet Corvette 427/7 V8
1965 Chevrolet Corvette 396/6.5 V8
1970 - 1974 Chevrolet Corvette 454/7.4 V8
1975 - 1980 Chevrolet C10 454/7.4 V8
1975 - 1986 Chevrolet C20 454/7.4 V8
1975 - 1986 Chevrolet C30 454/7.4 V8
1976 Chevrolet G20 454/7.4 V8
1975 - 1976 Chevrolet G30 454/7.4 V8
1970 - 1976 Chevrolet Impala 454/7.4 V8
1976 - 1980 Chevrolet K10 454/7.4 V8
1976 - 1978 Chevrolet K20 454/7.4 V8
1977 - 1986 Chevrolet K30 454/7.4 V8
1973 - 1975 Chevrolet Laguna 454/7.4 V8
1973 - 1975 Chevrolet Malibu 454/7.4 V8
1970 - 1975 Chevrolet Monte Carlo 454/7.4 V8
1987 - 1988 Chevrolet R30 454/7.4 V8
1989 Chevrolet R3500 454/7.4 V8
1987 - 1988 Chevrolet V30 454/7.4 V8
1989 Chevrolet V3500 454/7.4 V8
1975 - 1978 GMC C15 454/7.4 V8
1979 - 1980 GMC C1500 454/7.4 V8
1975 - 1978 GMC C25 454/7.4 V8
1979 - 1986 GMC C2500 454/7.4 V8
1968 - 1970 Ford Mustang 428/7 V8
1971 - 1972 Ford Mustang 351/5.8 V8
1964 - 1967 Ford Ranch Wagon 427/7 V8
1968 - 1970 Ford Ranch Wagon 428/7 V8
1963 - 1967 Ford Thunderbird 427/7 V8
1968 Ford Torino 427/7 V8
1970 - 1971 Ford Torino 429/7 V8
1963 Ford Thunderbird 410/6.7 V8
1966 - 1967 Ford Thunderbird 428/7 V8
1968 - 1969 Ford Torino 428/7 V8
1968 - 1969 GMC C15/C1500 Pickup 396/6.5 V8
1970 - 1972 GMC C15/C1500 Pickup 402/6.6 V8
1973 - 1974 GMC C15/C1500 Pickup 454/7.4 V8
1968 - 1969 GMC C25/C2500 Pickup 396/6.5 V8
1970 - 1972 GMC C25/C2500 Pickup 402/6.6 V8
1973 - 1974 GMC C25/C2500 Pickup 454/7.4 V8
1968 - 1969 GMC C35/C3500 Pickup 396/6.5 V8
1970 - 1972 GMC C35/C3500 Pickup 402/6.6 V8
1970 - 1972 Chevrolet Townsman 454/7.4 V8
1969 Chevrolet Townsman 396/6.5 V8
1969 Chevrolet Townsman 427/7 V8
1968 - 1970 Ford Country Sedan 428/7 V8
1964 - 1966 Ford Country Sedan 427/7 V8
1964 - 1968 Ford Country Squire 427/7 V8
1971 - 1972 Ford Country Sedan 429/7 V8
1967 - 1969 Ford Country Squire 428/7 V8
1964 - 1969 Ford Fairlane 427/7 V8
1968 - 1969 Ford Fairlane 428/7 V8
1970 Ford Fairlane 429/7 V8
1965 - 1967 Ford Galaxie 427/7 V8
1968 - 1969 Ford Galaxie 500 428/7 V8
1970 Ford Falcon 429/7 V8
1966 - 1967 Ford Galaxie 428/7 V8
1965 - 1969 Ford LTD 428/7 V8
1965 - 1968 Ford LTD 427/7 V8
1969 - 1971 Ford Mustang 429/7 V8
1968 Ford Mustang 427/7 V8
1975 - 1978 GMC C35 454/7.4 V8
1979 - 1986 GMC C3500 454/7.4 V8
1975 - 1976 GMC G25 454/7.4 V8
1976 GMC G35 454/7.4 V8
1976 GMC K15 454/7.4 V8
1980 GMC K1500 454/7.4 V8
1976 - 1978 GMC K25 454/7.4 V8
1979 - 1986 GMC K3500 454/7.4 V8
1987 - 1989 GMC R3500 454/7.4 V8
1987 - 1989 GMC V3500 454/7.4 V8
1961 - 1965 Chevrolet Bel Air 409/6.7 V8
1963 - 1969 Chevrolet Bel Air 427/7 V8
1965 - 1969 Chevrolet Bel Air 396/6.5 V8
1970 - 1975 Chevrolet Bel Air 454/7.4 V8
1970 - 1972 Chevrolet Bel Air 402/6.6 V8
1961 - 1965 Chevrolet Biscayne 409/6.7 V8
1963 - 1969 Chevrolet Biscayne 427/7 V8
1965 - 1969 Chevrolet Biscayne 396/6.5 V8
1973 - 1974 Chevrolet G10 Van 454/7.4 V8
1973 - 1974 Chevrolet G20 Van 454/7.4 V8
1973 - 1974 Chevrolet G30 Van 454/7.4 V8
1961 - 1965 Chevrolet Impala 409/6.7 V8
1963 - 1969 Chevrolet Impala 427/7 V8
1965 - 1969 Chevrolet Impala 396/6.5 V8
1970 - 1972 Chevrolet Impala 402/6.6 V8
1968 - 1969 Chevrolet K10 Pickup 396/6.5 V8
1970 - 1972 Chevrolet K10 Pickup 402/6.6 V8
1973 - 1974 Chevrolet K10 Pickup 454/7.4 V8
1968 - 1969 Chevrolet K20 Pickup 396/6.5 V8
1970 - 1972 Chevrolet K20 Pickup 402/6.6 V8
1973 - 1974 Chevrolet K20 Pickup 454/7.4 V8
1968 - 1969 Chevrolet K30 Pickup 396/6.5 V8
1970 - 1972 Chevrolet K30 Pickup 402/6.6 V8
1973 - 1974 Chevrolet K30 Pickup 454/7.4 V8
1969 Chevrolet Kingswood 396/6.5 V8
1969 Chevrolet Kingswood 427/7 V8
1970 - 1972 Chevrolet Kingswood 454/7.4 V8
1970 - 1972 Chevrolet Kingswood 402/6.6 V8
1965 - 1967 Chevrolet Malibu 396/6.5 V8
1970 - 1972 Chevrolet Monte Carlo 402/6.6 V8
1970 Chevrolet Nova 402/6.6 V8
1970 - 1972 Chevrolet Townsman 402/6.6 V8
1970 - 1972 Chevrolet Biscayne 454/7.4 V8
1969 Chevrolet Brookwood 396/6.5 V8
1970 - 1972 Chevrolet Biscayne 402/6.6 V8

Specs:

Brand Mr. Gasket
Emission Code 5
Finish Polished
Material 410 stainless steel
Product Type HeadLock Locking Header Bolts
Warning California Proposition 65
Warranty Limited 90 Day
Weight 7

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