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#5503420G
$21.61
/set
In Stock
Quantity
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Universal Fit, 0.75" Under Head Length, Steel, Black
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Return PolicyThis 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.
| KEY SPECS | |
|---|---|
| MFG. Part # | 3420G |
| Brand | Mr Gasket |
| GENERAL | |
| Under Head Length | 0.75" |
| Thread Pitch | 3/8"-16 |
| Wrench Type | Allen |
| Material Type | Steel |
| Finish | Black Oxide |
| Sold in Quantity | Set |
| GTIN Code | 084041022733 |
| Color | Black |
3.8
6 Reviews
Customers appreciate the product's usability and practicality, especially for tricky spots hard to reach with a conventional wrench. One criticism points to a mismatch in the size of the hex 3/8 socket on the Allen wrench, which affects its functionality. Overall, the product has a strong usability advantage over competitors due to its convenience in areas with limited access.
3.8
6 reviews
5
3
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Great Hardware, Terrible Tool
4.0
3 months ago
Dillon
Montana
Verified
The hardware is great, but do not use the hex head socket to torque the bolts down. Snapped under very light load.
Would Recommend
Yes
5.0
8 months ago
Happy
Mn
Verified
Fit well
Bolts are good, the Allen socket broke on the 3rd bolt
3.0
a year ago
Kellfab
Southeast, Mn
Verified
Header bolts, work as they should. Allen socket is garbage
Would Recommend
yes i would
5.0
6 years ago
Hoot
tea sd
Verified
very easy to use need to have a short bit with it to
Would Recommend
No
1.0
9 years ago
Mike
Freeport, IL.
Verified
The hex 3/8 socket on the Allen wrench is too big falls off your extension. Threads are too short after you put the lock washer on the hex bolts.
WHERE HAVE THESE BEEN HIDDING?
5.0
10 years ago
lumpy
omaha,ne.
Verified
there is 2 or 3 places where you cant get a wrench or socket on the header bolts anyway
Would Recommend
Showing 6 of 6 reviews
1 Question • 1 Answer
Any reason these wouldn't work on SBF 289-302?
by Cody
• 9 years ago
1 answer
View Answer
1 of 1 questions shown
