Mr. Gasket 3420G Header Bolt Set - 3/8"- 16 x 3/4" wIth tool for Sale

Price: $12

This item has been shown 921 times.

Part Number: MRG-3420G


Best Price on and free shipping to lower 48 states ( Summits priced @ $14.38 )

These fit any application requiring a 3/8" - 16 by 3/4" long header bolt . These are great for tight applications , because the can be installed two ways, by 7/16" hex wrench or by the allen tool supplied with the bolts.


Please contact us before ordering if you are not 100% of your fitment

UPC: 084041022733

Fastener Style: Bolt

Thread Size: 3/8-16 in.

Head Style: Internal allen

Underhead Length (in): 0.750 in.

Fastener Material: Grade 5 Steel

Fastener Finish: Black

Quantity: Sold as a set of 12.


Installing headers can sometimes be a real pain, due to the tight spaces and the location and shape of the tubes. Mr. Gasket can help make installation a little easier and also help prevent annoying exhaust leaks from under-tightened header bolts. They have both the socket-head and hex-head styles of header bolts available. Hex types are heat-treated Grade 5 steel and have smaller-than-standard heads to ease access in tight spaces. Socket-head bolts are made from stronger Grade 8 steel for added ruggedness and they're great for those really difficult-to-reach spots. Both styles have a protective black oxide finish.



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