NP241 Standard Strongbox Twin Stick A Modern Dana 300 Replacement

A Modern Dana 300 Replacement Case: The APEX abandons outdated and easily bent shift fork technology from the 70’s

All three dual-case shift levers in one location

Fluid Type: High-RPM EV-rated ATF

The Bottom Line

The Twin Stick Flip Kit utilizes our Colossus shifter system featuring adjustable

NP241 Standard Strongbox Twin Stick A Modern Dana 300 ReplacementThe NP241 Standard Strongbox underdrive by Behemoth Drivetrain is engineered for extreme strength, low weight, and incredible performance. The NP241 Strongbox is available as both a fully geared ready to install model, or a DIY version that is case only allowing you to choose and install your own gears. Gear Compatibility: The NP241 Standard Strongbox DIY case is designed to be compatible with NP231, NP233, NP236, NP241, NP243 and NP246 series gears.