BUILT FOR RACERS, BY RACERS
ProShiftLab is your dedicated source for the world's most respected high-performance racing transmissions — Lenco, Liberty Gears, and Rossler. We live and breathe motorsport.
THE PROSHIFTLAB DIFFERENCE
We don't just sell transmissions. We help you win.
Race-Proven Expertise
Over two decades of hands-on experience sourcing, building, and supporting world-class racing transmissions at tracks across North America.
Technical Excellence
Every unit we sell is inspected, spec-verified, and fully documented. Our team can configure any gearbox to your class, engine combination, and budget.
Authorized Dealer
We are an authorized dealer for Lenco Racing, Liberty Gears, and Rossler Transmissions — giving you factory warranty support and direct access to genuine parts.
Dedicated Support
Our technical advisors are racers themselves. Reach us by phone, email, or in-person — we answer real questions with real knowledge.
OVER 20 YEARS OF PERFORMANCE
Founded in the Pits
ProShiftLab started as a one-bay transmission shop in Alexandria, VA, specializing in Lenco planetary gearboxes for local bracket racers.
Liberty Gears
Specializing in Liberty Gears transmissions, expanding our pro-level drag racing and truck pull inventory substantially.
Rossler
Added Rossler Transmissions to the lineup, making ProShiftLab a true one-stop shop for TH400, Powerglide, and 4L80E race builds.
National Track Presence
ProShiftLab units compete at NHRA, IHRA, and regional series events coast to coast. Over 500 winning race cars shift with our components.
Tech Center Expansion
Opened our 12,000 sq ft dedicated technical center with full dyno testing, custom build capability, and a race-day support hotline.
Over 3,000 Builds Delivered
More than 3,000 race-ready transmissions shipped. We continue to grow with the sport — serving bracket racers to nitro-fueled Top Fuel teams.
THE PEOPLE BEHIND PROSHIFTLAB
Racers, engineers, and gearheads who live and breathe performance transmissions.
Johnson I. Aiden
20+ years building Lenco units. Former NHRA bracket champion. Rick has personally configured over 1,200 race transmissions.
Sandra Morales
Sandra has been the first point of contact for our customers since 2008. She knows every unit in the lineup and matches racers to the right setup every time.
Travis Webb
Travis runs our 12,000 sq ft build center. Specializing in Rossler TH400s and Liberty Pro-Drag gearboxes, he manages full assembly from blank cases to track-ready units.
Kira Nguyen
Kira handles post-sale technical questions, rebuild guidance, and warranty cases. Former engineering graduate turned passionate motorsport technician.