Welcome to Top Gear Performance


Specializing in Diesel and Gas Transmissions

Stand out from the rest with a custom built automatic transmission by Top Gear Performance. A finely tuned performance transmission will keep your ride in top condition. We are the leader in stock and high performance transmission rebuilds for both gas and diesel vehicles, Top Gear Performance will solve any transmission problems you have.  Having a transfer case issues? We rebuild those too, offering heavy duty upgrades and options!  We have extensive knowledge of transmissions and work with most automatic makes and models, foreign and domestic.  We have a full in-house transmission and transfer case rebuilding facility.  Our shop also offers lift kits, performance parts, and much more; see our               page for more information!

Getting You Back on the Road in No Time

The expert technicians at Top Gear Performance specialize in keeping your gas and diesel cars, trucks, and SUVs at their best. If you notice that your vehicle's transmission is working harder, overheating, shifting poorly, leaking or something else doesn't seem quite right, it's time to bring it to our shop. With the best technicians on staff, you can count on us to get you back on the road in a matter of days.

Come On In

When it's time to give your transmission the attention it needs, visit our shop in Ixonia, Wisconsin or call 920-390-5014 for an estimate.

From Milwaukee to Madison to Prairie du Chien to Eagle River, WI, to the Upper Peninsula, Michigan, and to Chicago, Illinois, we have you covered when it comes to stock and performance transmissions, diesel performance, transfer cases, lift kits, and more!

Top Gear Performance, LLC





W1204 Marietta Ave, Ixonia, WI 53036

©2017 by Top Gear Performance, LLC