Pro-formance Transmissions LLC

It's 72 degrees in late February and we have the doors open and are dyno testing! This TH-200 4R is headed to Rob's Rod Shop in Downingtown, PA for a beautiful '69 Trans Am convertible. All Pro-formance Transmissions are dyno tested before they leave our facility.

Pro-formance Transmissions LLC's cover photo

A bunch of racing transmissions waiting for Santa to deliver.

True,very true.


A little news about Gary Windsor. former NMRA champion and Pro-formance Transmission customer. Brad Medlock Locked In For NMRA World Finals—on 235 Radial tires! The Nitto Tire NMRA All-Ford World Finals brings together several segments of the Mustang and Ford communities for a long weekend of excitement and fun…. Read More

Got this beauty all finished up and Dyno tested. Now it's off to a "Eleanor" clone that's going to be gorgeous. And yes, it shifts as good as it looks!

Pro-Formance customer Brian Mitchell getting it done at the NMRA race in Norwalk,OH.

[04/14/15]   Pro-formance Transmissions would like to announce our sponsorship of the North East Index Racers series for 2015. We will be sponsoring 8.50 Index at Atco Raceway in NJ and Cecil Co. Dragway in MD. Will also be sponsoring 11.50 Index at Raceway Park, Englishtown,NJ and Island Dragway, Great Meadows, NJ. All winners in these classes will receive a $150 gift certificate (non- transferable) toward new product or repair work. Good luck to everyone.

Congrats to Pro-formance customer @Brian Mitchell. Brian laid down an awesome 8.21e.t. for the quickest ever pass in NMRA renegade history.

[07/15/13]   Congrats to NMRA Renegade racer and our good pal Brian Mitchell. At the NMRA/NMCA Superbowl in Joliet,Ill, Brian won both his Renegade class and his Superbowl match-up winning another Superbowl ring. He now has more bling than most Rappers.

[03/10/13]   Congrats to Brian Mitchell for his win andAlbie AJ Wyce III for his runner up in EFI Renegade at this weekends NMRA Spring Break Shootout in Bradenton,FL. It sure is great having both cars in the finals as customers!

[10/29/12]   Just want to let everyone know we are closed today due the State of Emergency in Delaware and Hurricane Sandy.

[10/09/12]   Congrats to Pro-formance customers Jake Connant and Brian Mitchell for their wins at the NMRA world finals. Jake won the Terminator vs. GT 500 class with some great driving. Brian tore up EFI Renegade with the win, set the National Record (8.26e.t./165 mph) and locked up his 5th World Championship.Great job guys!

[05/07/12]   Update: NMRA race Maryland Int. Raceway, Congrats to Alton Clements Jr. for his win in EFI Renegade. Congrats to Joe Logan and Harold Horton ,the winner and runner-up in Terminator. Thanks for depending on Pro-formance Transmissions.

[03/04/12]   Congrats to Pro-Formance Transmission customers Chad & Travis Allmandinger for their win at the NMRA season opener at Bradenton,FL. They also went their personal fastest [email protected] 162mph. Good job guys.

[12/31/11]   would like to wish everyone a safe and Happy New Year. Also we would like to remind everyone we will be returning from vacation on Jan 9th.

[08/09/11]   Congrats to Pro-formance customer Erick Aldrich for his domination of the PSCA's Limited Street Class. Erick has won the last three PSCA races and reset the National Record. Keep that Maverick runnning those low 8 sec. passes!

[03/07/11]   Congrats to Pro-Formance customers Brian Mitchell (winner) and Bart Tobener(R/U) for your final round performances in EFI Renegade at the NMRA Bradenton FL event. Brian went an 8.42 e.t. with an .003 r/t for the win.

[01/27/11]   Just wanted to let everyone know that we'll be opening late due to the snow.

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122 Sandy Dr Suite F
Newark, DE

Opening Hours

Monday 08:00 - 17:00
Tuesday 20:00 - 17:00
Wednesday 08:00 - 17:00
Thursday 08:00 - 17:00
Friday 08:00 - 17:00
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