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View Full Version : Sourcing factory type main bolts and side bolts


376shovel
07-15-2017, 02:13 PM
Hey dudes, just got my motor back from the machine shop, now on to assembly. I'm looking to get new bolts for the mains as well as the side bolts. Not looking for ARP bolts because the block was not machined for it. The engine is out of a 2005 aviator if that makes a difference. To my knowledge it doesn't. Anyway I'm not looking for something expensive. Just stock type replacements as this motor is just a touch under 400HP. thanks.
376shovel
07-16-2017, 07:22 AM
My search has led me to part number M-6345-A46. Looking to confirm with those who know.
RubberCtyRauder
07-16-2017, 07:42 AM
My search has led me to part number M-6345-A46. Looking to confirm with those who know.



summit racing, jegs, lmr say this part number is for 2005-2010 3v mustang..not sure if that makes a difference. just passing it along
FordNut
07-16-2017, 11:59 AM
Most people just spring for the extra $ to get ARP. The OEM and OEM replacement bolts are tty, one time use while the ARP are reusable.
Zack
07-16-2017, 12:01 PM
I purchased high grade bolts and washers from an online retailer. Saved a bunch of money
MOTOWN
07-16-2017, 12:33 PM
Most people just spring for the extra $ to get ARP. The OEM and OEM replacement bolts are tty, one time use while the ARP are reusable.

Exactly what I did ARP main studs w/windage tray standoffs and ARP side bolts.
376shovel
07-16-2017, 04:39 PM
I purchased high grade bolts and washers from an online retailer. Saved a bunch of money

Do u mind sending the website and the sizes?


I would do the arp bolts but the mains would be out of round with the higher clamping force. I read somewhere that Ford part number fits late model 4v motors. Looking to confirm.
376shovel
08-27-2017, 06:50 PM
For everyone's information, the part number I wrote about earlier does in fact work, regardless of what windage tray you have. Thanks for playing.
WPG_Merc
08-27-2017, 07:10 PM
I got mine from Pro Weld.

http://www.proweldperformanceparts.co m/id174.html
376shovel
09-06-2017, 04:12 PM
I got mine from Pro Weld.

http://www.proweldperformanceparts.co m/id174.html

Awesome source. Good to know. By the way I will be looking for a baseline tune from you for this new engine next month. I'll shoot you an email when i get closer to putting it in.