7/16" Wrench hex size header bolt, Includes a 3/8" Drive and a ball end 3/16" Allen wrench, All-steel construction with a black oxide finish, Under head length measures a total of 3/4", Header bolts have a common 3/8"-16 thread pitch
Mr Gasket 3420G Hex Socket Header Bolts, 3/8-16 x 3/4, Set/12 Mr Gasket
Mr Gasket 3420G Hex Socket Header Bolts, 3/8-16 x 3/4, Set/12
Sku # 5503420G
Mfr. Part # 3420G
Condition
New
Brand
Mr Gasket
Sold
Set
Details
Info

This bolt head of these Mr Gasket 3420G header bolts incorporates a combination hex and socket design for quick, easy installation and removal. The compact bolt head and flange is ideal for use where space is minimal, typical on header flange. Black zinc bolts resist corrosion and provide a clean professional appearance. Fits AMC 290-401, small block Chevy 262-400, big block Chrysler 383-400 (exc. 426 Hemi), Pontiac 326-455, and Oldsmobile 330-455.

3/8"-16 x 3/4" threads. Includes 12 header bolts per set. Socket is included.

Specs
Material Type
Steel
Sold in Quantity
Set
Wrench Type
Allen
Color
Black
Finish
Black Oxide
Thread Pitch
3/8"-16
MFG. Part #
3420G
GTIN Code
084041022733
Under Head Length
0.75
Reviews

yes i would

Rated
Product Rating
by Hoot on May 26, 2020

Summary: very easy to use need to have a short bit with it to

Yes, I recommend this product.

WHERE HAVE THESE BEEN HIDDING?

Rated
Product Rating
by lumpy on June 01, 2016

Summary: there is 2 or 3 places where you cant get a wrench or socket on the header bolts anyway

Yes, I recommend this product.

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