In-house Fabrication
designed, built, and tested in-house
Local Pickup
available in Lowell, MA
Need an Install?
info@selectspeedshop.com to book
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Motul GEAR Competition 75W-140 is a 100% synthetic transmission and differential lubricant engineered for racing performance. With balanced slipperiness, it’s ideal for synchro transmissions, clutch-type limited-slip diffs, dog-ring gearboxes, and open differentials. Its GL-5 rating makes it suitable for both hypoid and straight-cut gears, making it a perfect match for high-stress racing transaxles.
Designed to handle extreme conditions, GEAR Competition ensures zero shear loss, keeping viscosity stable at 140 weight even under heat and pressure. It flows easily in cold conditions for smooth shifting and is fully compatible with seals and bronze components. Meeting API GL-5, Mugen Le Mans 24H, and Hewland/X-Trac GT standards, this lubricant is trusted by motorsport professionals worldwide.
designed, built, and tested in-house
Local Pickup
available in Lowell, MA
Need an Install?
info@selectspeedshop.com to book
From regular maintenance to full custom fabrication, everything we do is handled in-house with the same attention to detail we'd expect on our own cars. No guesswork, no shortcuts — just solid, reliable work from people who know what they're doing.
Expert custom fabrication services tailored to your specific needs and performance goals.
Comprehensive automotive services to keep your vehicle running at peak performance.
Shop performance parts directly through our online store and schedule professional installation services.