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

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

Fits Chevrolet Big Block 396-454, Ford 289-351W, 426 Hemi, Ford 429/460

Features:

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

Product Video – YouTube

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.

Attributes:

Category	Exhaust
Weight	7
Warranty	Manufacturer’s Limited 90 Day Warranty
Size	3/8-16 x 3/4
Product Type	HeadLock Locking Header Bolts
Material	410 stainless steel
Finish	Polished
Emission Code	5
Brand	Mr. Gasket

Vehicle Applications:

Make	Model	Years
Chevrolet	Bel Air	1961 to 1975
Chevrolet	Biscayne	1961 to 1972
Chevrolet	Brookwood	1961 to 1972
Chevrolet	C10 Pickup	1964 to 1974
Chevrolet	C10	1975 to 1980
Chevrolet	C20 Pickup	1962 to 1974
Chevrolet	C20	1975 to 1986
Chevrolet	C30 Pickup	1962 to 1974
Chevrolet	C30	1975 to 1986
Chevrolet	Camaro	1967 to 1972
Chevrolet	Caprice	1966 to 1976
Chevrolet	Chevelle	1965 to 1973
Chevrolet	Chevy II	1968 to 1968
Chevrolet	Corvette	1965 to 1974
Chevrolet	Estate	1969 to 1970
Chevrolet	G10 Van	1973 to 1974
Chevrolet	G20 Van	1973 to 1974
Chevrolet	G20	1976 to 1976
Chevrolet	G30 Van	1973 to 1974
Chevrolet	G30	1975 to 1976
Chevrolet	Impala	1961 to 1976
Chevrolet	K10 Pickup	1968 to 1974
Chevrolet	K10	1976 to 1980
Chevrolet	K20 Pickup	1962 to 1974
Chevrolet	K20	1976 to 1980
Chevrolet	K30 Pickup	1968 to 1974
Chevrolet	K30	1977 to 1986
Chevrolet	Kingswood	1961 to 1972
Chevrolet	Laguna	1973 to 1975
Chevrolet	Malibu	1965 to 1975
Chevrolet	Monte Carlo	1970 to 1975
Chevrolet	Nomad	1961 to 1961
Chevrolet	Nova	1969 to 1970
Chevrolet	Parkwood	1961 to 1961
Chevrolet	R30	1987 to 1988
Chevrolet	R3500	1989 to 1989
Chevrolet	Townsman	1969 to 1972
Chevrolet	V30	1987 to 1988
Chevrolet	V3500	1989 to 1989
Edsel	Citation	1958 to 1958
Edsel	Corsair	1958 to 1958
Ford	300	1963 to 1963
Ford	Country Sedan	1964 to 1970
Ford	Country Squire	1964 to 1969
Ford	Custom 500	1965 to 1970
Ford	Custom	1966 to 1970
Ford	Fairlane	1964 to 1970
Ford	Falcon	1970 to 1970
Ford	Galaxie 500	1965 to 1969
Ford	Galaxie	1965 to 1967
Ford	LTD	1965 to 1969
Ford	Mustang	1968 to 1972
Ford	Ranch Wagon	1964 to 1970
Ford	Thunderbird	1962 to 1967
Ford	Torino	1968 to 1971
GMC	C15/C1500 Pickup	1968 to 1974
GMC	C1500	1979 to 1980
GMC	C15	1975 to 1978
GMC	C25/C2500 Pickup	1968 to 1974
GMC	C2500	1979 to 1986
GMC	C25	1975 to 1978
GMC	C35/C3500 Pickup	1968 to 1974
GMC	C3500	1979 to 1989
GMC	C35	1975 to 1978
GMC	G25	1975 to 1976
GMC	G35	1976 to 1976
GMC	K15/K1500 Pickup	1968 to 1969
GMC	K1500	1979 to 1980
GMC	K15	1976 to 1976
GMC	K25/K2500 Pickup	1968 to 1974
GMC	K25	1976 to 1978
GMC	K35/K3500 Pickup	1968 to 1974
GMC	K3500	1979 to 1986
GMC	R3500	1987 to 1987
Mercury	Brougham	1967 to 1967
Mercury	Caliente	1965 to 1965
Mercury	Colony Park	1965 to 1968
Mercury	Comet	1965 to 1967
Mercury	Commuter	1965 to 1968
Mercury	Cougar	1968 to 1971
Mercury	Cyclone	1965 to 1971
Mercury	Marauder	1965 to 1965
Mercury	Marquis	1967 to 1969
Mercury	Montclair	1965 to 1968
Mercury	Montego	1968 to 1970
Mercury	Monterey	1965 to 1970
Mercury	Park Lane	1965 to 1968
Mercury	Villager	1965 to 1965