Dana 300 Shorty Strongbox Shifter Upgrade TH350 The DIY Colossus Billet Dana

The DIY Colossus Billet Dana 300 replacement case by Behemoth Drivetrain is engineered for extreme strength

5″ in diameter

please contact us and our engineer can review your case for compatibility

The Helix IS™ series from Behemoth Drivetrain is a next-generation EV differential gearbox platform engineered specifically for independent front and rear suspension electric vehicle applications

Why Choose the RAD Designs Triple Stick

Dana 300 Shorty Strongbox Shifter Upgrade TH350 The DIY Colossus Billet DanaThe Behemoth Strongbox has been a proven workhorse for more than a decade. Upon releasing our 2022 Pro Series Strongbox line, we dramatically upgraded the internal and external shifter assemblies to both reduce weight, and provide incredible durability to the internal and external shifter components. This kit is designed to to fit all models of Strongbox units, and is installed as a simple plug and play replacement of the original components.