Built for Power, Precision, and Reliability
When the road demands more, Go Powertrain delivers. Our RR Series Performance Transmissions are engineered for high-output, high-demand applications — from heavy-duty towing and off-road builds to street/strip performance.
These units are not one-size-fits-all. Every transmission in the RR lineup is dyno-tested, fine-tuned, and custom-built to exceed OEM performance standards. Whether you're outfitting a work truck or a weekend track machine, our transmissions are designed to take the heat and deliver smooth, consistent power.
Built to Perform
Each performance transmission is engineered with:
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High-energy friction materials
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Optimized hydraulic systems for better shift timing
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Furnace-brazed torque converters
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Hardened steels and upgraded bushings
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Calibrated valve bodies for enhanced pressure control
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Real-world dyno testing under simulated load conditions
Warranty & Support
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3-Year Unlimited Mileage Warranty on all RR Series units
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Backed by installer-trusted labor and support coverage
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Includes up to $200 toward towing and rental for qualifying claims
Why Choose Go Powertrain?
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Proven reliability across reman, used, and performance lines
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Fast logistics, responsive service, and parts that fit
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Nationwide coverage and support from a name you can trust
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Optional no-fault protection available for peace of mind
Get Started
With Go Powertrain, you're not just upgrading a transmission — you're upgrading your reputation.
Log in to explore RR Series availability, check current pricing, and discover why leading installers choose Go Powertrain for performance-ready powertrain solutions.
Ideal For:
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Light to moderate upgrades
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Towing up to 4,000 lbs.
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Engines with up to 100 added horsepower
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Snowplows, Hot Rods, Muscle Cars
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Drivers wanting more than shift kits but not full race setups
Key Features:
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Smooth yet powerful performance with increased line pressure and optimized throttle circuits
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Durability upgrades like high-energy clutches (Red, Blue, Raybestos Z-Pak), Pro Series bands, and hardened components
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Enhanced lubrication system for bushings, washers, and gear train
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Furnace-brazed converters and new bearings for longevity
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30% increase in clutch pack density for better power handling
Best for: Those seeking a dependable upgrade from stock transmissions with moderate performance boosts.
Ideal For:
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Heavy daily use
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Towing 4,000–10,000 lbs.
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Engines with 100–225 added horsepower
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Diesel trucks with performance chips
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Agriculture, towing, and emergency vehicles
Key Features:
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All enhancements from RR 1000 with greater capacity and durability
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Increased base line and throttle pressure for sharper, more responsive shifts
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30% clutch pack increase and high-flow pumps
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Upgraded sprags, rollers, and converters designed for tougher workloads
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High-energy components and Pro Series bands
Best for: Work trucks or commercial use where power, reliability, and consistent performance are critical.
Ideal For:
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Maximum performance applications
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Towing 10,000+ lbs. or drag racing (10–12 second quarter mile cars)
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Engines with 250+ added horsepower
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Full-time racing or extreme heavy-duty usage
Key Features:
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Extreme durability with billet materials, hardened shafts, and fortified case rigidity
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Largest servos and levers for seamless gear engagement
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38% increase in clutch pack capacity
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Custom-built converters and high-stall options available
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Improved lubrication and torque converter circuits to maintain performance under wide-open throttle and heavy demand
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Sprags and rollers upgraded to maximum element size for strength
Best for: Enthusiasts or professionals who push their vehicles to the limit in terms of power and load.