Engineered for victory, the Bert LMZ Transmission Kit is built for 1986 and newer Chevrolet Small Block V8 engines with a 1-piece rear main seal. This complete 2-speed racing package centers on the lightweight aluminum Bert LMZ transmission, optimized for brutal circle track competition.
Experience unparalleled performance with an internal hydraulic clutch and upgraded dog-tooth gears for quicker, more precise shifts. The direct-drive high gear ensures maximum horsepower transfer, while the compact design is 2-5/8 inches shorter than a Muncie, offering crucial clearance and reduced rotating weight for faster acceleration.
With a robust 600 lb-ft torque capacity and heavy-duty internal components, this kit is built for extreme durability. It includes a steel bellhousing, drive flange, hydraulic lines, and fittings, providing a race-ready solution for IMCA, WISSOTA, Modified, Late Model, Hobby Stock, and Street Stock applications on both dirt and asphalt.
This kit is designed for racers demanding peak performance, rapid shifts, and reliable power delivery. Its lightweight aluminum case, internal clutch, and advanced gear design minimize drivetrain losses and maximize on-track success. Professional installation is recommended for optimal results.





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