Steering Knuckle Bolt, Original Set /4 w/ A Head. 55-64 Chevy & Corvette

Description

Steering Knuckle to Upper Control Arm bolt, Original set of 4 7/16-20 x 2-1/8"
Head mark has an
"A" and 6 radial bars (GM Grade 300m).  "
A" head mark and 6 radial bars are not crisp and clear.
Has serrations just below the bolt head.
Serrations are not smeared or damaged.
All threads were checked with a hex nut and are good.
Shanks have some very light and shallow (1mil or less) pits.
This bolt was replaced with bolt 388248 which is 2-1/4" long and does not have the serrations just below the bolt head.
Fits:
63-64 Corvette
61-64 Corvair Spider
55-64 Chevy passenger car
We will be glad to respond to any questions you may have. If additional photos are needed to help you make your decision, please let us know and we'll be glad to send them.
We combine items for savings on shipping costs. Make your selections and let us know when you are complete with this order.  We will combine the items and send you an invoice for the combined items total with combined shipping cost.
We normally use USPS which gets you your item in 2-4 days for most locations.  If you need it faster, just let us know and we will be glad to expedite the item to you.
Thanks for looking.
JnJ Vette Parts
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Carl07-0207vw M.  Bolt-0019