Mr. Gasket - 2231G
Header Bolt - Locking - 3/8-16 in Thread - 0.75 in Long - Hex Head - Stainless - Various Applications - Set of 16
Fits Chevrolet Big Block 396-454, Ford 289-351W, 426 Hemi, Ford 429/460
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.
- 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
Brand: Mr. Gasket
Category: Exhaust
Emission Code: 5
Finish: Polished
Material: 410 stainless steel
Product Type: HeadLock Locking Header Bolts
Size: 3/8-16 x 3/4
Warning: California Proposition 65
Warranty: Manufacturer's Limited 90 Day Warranty
Weight: 7
Year
Make
Model
Submodel
Engine
1965 - 1969
Chevrolet
Bel Air
Base
6.5L
1970 - 1972
Chevrolet
Bel Air
Base
6.6L
1961 - 1965
Chevrolet
Bel Air
Base
6.7L
1963, 1966 - 1969
Chevrolet
Bel Air
Base
7.0L
1970 - 1975
Chevrolet
Bel Air
Base
7.4L
1965 - 1969
Chevrolet
Biscayne
Base
6.5L
1970 - 1972
Chevrolet
Biscayne
Base
6.6L
1961 - 1965
Chevrolet
Biscayne
Base
6.7L
1963, 1966 - 1969
Chevrolet
Biscayne
Base
7.0L
1970 - 1972
Chevrolet
Biscayne
Base
7.4L
1969
Chevrolet
Brookwood
Base
6.5L
1970 - 1972
Chevrolet
Brookwood
Base
6.6L
1961
Chevrolet
Brookwood
Base
6.7L
1969
Chevrolet
Brookwood
Base
7.0L
1970 - 1972
Chevrolet
Brookwood
Base
7.4L
1978 - 1980
Chevrolet
C10
Big Ten
7.4L
1975 - 1980
Chevrolet
C10
Cheyenne
7.4L
1975 - 1980
Chevrolet
C10
Custom Deluxe
7.4L
1975 - 1980
Chevrolet
C10
Scottsdale
7.4L
1975 - 1980
Chevrolet
C10
Silverado
7.4L
