M.F. Kustoms LLC

M.F. Kustoms LLC We build custom automotive wiring harnesses, adapters for aftermarket engine management systems and custom electronic controllers.
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Production is under way. Harnesses are done and going through another round of testing. Building out the custom PnP conn...
08/13/2026

Production is under way. Harnesses are done and going through another round of testing. Building out the custom PnP connector portion now. Pre-Orders look to be on track to start shipping all next week. Thanks for everyone’s patience.





Just going to leave this little Easter egg right here. Happy Tuesday everyone!! All orders placed last week are going o...
08/11/2026

Just going to leave this little Easter egg right here. Happy Tuesday everyone!! All orders placed last week are going out, many went out yesterday and the rest should be out today and tomorrow. Thanks to everyone that stopped by our booth at Motor City Foxfest.

We are out here at Motor City Foxfest stop by the booth and say Hi!
08/08/2026

We are out here at Motor City Foxfest stop by the booth and say Hi!





08/06/2026

Who all will be at Motor City Foxfest? Some of us are heading up tomorrow morning.

07/31/2026

PSA: we will be closed next week. Any orders processed today through the weekend will ship on Monday. After that orders will go out the week of 8/10. We will be at Motor City Foxfest so stop by and say Hi if you are at the event.

PCBs for our 1987-93 PnP Digital Dash kits have arrived! Production is underway. Goal currently is to start shipping pre...
07/30/2026

PCBs for our 1987-93 PnP Digital Dash kits have arrived! Production is underway. Goal currently is to start shipping pre-orders out the week of 8/17/26. Once all pre-orders go out sales to the general public will open up.





We are ready! Will you be there?
07/26/2026

We are ready! Will you be there?

ACT/IAT Extension Harness production is underway!The first round of orders will begin shipping tomorrow (7/22). We'll co...
07/21/2026

ACT/IAT Extension Harness production is underway!

The first round of orders will begin shipping tomorrow (7/22). We'll continue fulfilling existing orders while building up inventory.

Thank you to everyone for your patience and support while we get these out the door!

Now available to order is our 86-93 Mustang ACT/IAT extension harness. These are available now on our website (link in c...
07/20/2026

Now available to order is our 86-93 Mustang ACT/IAT extension harness. These are available now on our website (link in comments) for $45. We will have limited supply till we build up inventory.

ACT/IAT extension harness coming soon! We have limited quantities right now but parts are on order. This lets you move y...
07/17/2026

ACT/IAT extension harness coming soon! We have limited quantities right now but parts are on order. This lets you move your ACT/IAT sensors from the lower intake manifold to before the throttle body without splicing. These will be on our website starting on Monday (July 17th). We just ask for some patience as we build up inventory.



Address

15009 Manchester Road #259
Ballwin, MO
63011

Telephone

+13145263221

Website

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