Dana 300 Shorty Strongbox Shifter Upgrade TH350 Why Choose the RAD Designs

Why Choose the RAD Designs Triple Stick

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The APEX NP205DIY cast aluminum replacement case by Behemoth Drivetrain is engineered for extreme strength

The Shorty Strongbox shaft is made from exceptionally hard 4340 alloy steel that is heat treated to provide incredible strength

Compact independent suspension EV gearbox based on Dana 30 geometry

Dana 300 Shorty Strongbox Shifter Upgrade TH350 Why Choose the RAD DesignsThe 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.