WHAT OUR CUSTOMERS SAY

Switched to the Lenco CS2 in 2014 and dropped two tenths off our ET immediately. The consistency in staging and launch is unmatched. ProShiftLab got us dialed i...

We run Liberty Pro Drag in our Pro Mod car. The gear splits are perfect for our 3,500 HP setup. ProShiftLab helped spec the exact ratios we needed for our track...

Built a street-legal 8-second Camaro using a Tremec Magnum from ProShiftLab. The street manners are surprisingly good for a transmission that can handle this mu...

The Rossler TH400 in our bracket car has been flawless for three seasons. Zero failures, zero missed shifts. ProShiftLab set it up exactly how we wanted it.

Lenco ST-1200 in our Top Sportsman car. The air shifter integration was seamless. ProShiftLab even helped us tune the shift points for our specific engine combo...

We run three cars on Liberty transmissions. The support from ProShiftLab is what keeps us coming back. Any question, any time, they have the answer.

First season with a Lenco and we won the division championship. The learning curve was shorter than expected thanks to the setup advice from ProShiftLab.

Built a twin-turbo street car with a Rossler 4L80E. Over 1,200 HP to the tires and it shifts like stock at part throttle. ProShiftLab nailed the valve body cali...

The Tremec TR-6060 in my road race Mustang has been bulletproof. ProShiftLab upgraded the synchros and shift forks before shipping. Zero issues in two seasons o...

LencoLite in our 2,000 HP boat. The marine-specific modifications ProShiftLab made were spot on. Salt water, high RPM, hard launches — no problems.

Liberty 5-speed in our Pro Stock car. The shifts are violent and consistent every single pass. ProShiftLab prepped the transmission to our exact clutch and conv...

Restomod 1969 Camaro with a Tremec TKX. The fitment was perfect, no tunnel modifications needed. ProShiftLab included all the linkage and crossmember parts.

Rossler Turbo 400 in our 4.80-index car. We have over 200 passes on it and it still shifts like new. ProShiftLab builds them to last.

Three Lenco transmissions across our fleet. ProShiftLab keeps records on all our setups so when we need service or upgrades, they know exactly what we have.

First year in Super Gas with a Liberty transmission. Made it to the semifinals at the divisional. The consistency of the shifts gave me confidence to drive bett...

LS-swapped C10 truck with a Tremec Magnum-F. ProShiftLab helped spec the bellhousing, clutch, and driveline as a complete package. Everything bolted in perfectl...

Rossler Pro Mod transmission in our nitrous car. The transbrake is instant and the shift recovery is the best we have ever had. ProShiftLab knows these units in...

Lenco CS4 in our alcohol funny car. The overdrive ratios let us run a taller rear gear without sacrificing ET. ProShiftLab calculated the whole driveline for us...

Liberty clutchless in our nostalgia dragster. The shift feel is mechanical and precise. ProShiftLab set the clutch float perfectly for our 392 Hemi.

Coyote-swapped Fox Body with a Tremec TR-3160. ProShiftLab supplied the complete swap kit. Drives like a factory car but handles 800 HP without breaking a sweat...

Rossler 200R in our 6.0-index car. Won three races this season and the transmission has been the most reliable part of the whole car. ProShiftLab for life.

Two Lenco boat transmissions from ProShiftLab. Both running strong after a full season of offshore racing. The marine cooling upgrades they spec'd were exactly ...

Liberty Pro Street in my 7-second street car. Drove it 200 miles to the track, ran a 7.80, and drove it home. ProShiftLab built a transmission that truly does b...

Tremec T56 Magnum into a 1970 Chevelle. ProShiftLab provided a complete solution including hydraulic clutch, shifter, and driveshaft. Customer is thrilled with ...

Rossler TH210 in our new Pro Stock car. First season and we are already running career-best numbers. The transmission is not even a thought — it just works ever...