Ofna X1S-31 super Torsen differential by OFNA Racing.

Ofna center differential mount for the Jammin X1-CR Buggy series.

Ofna optional Jammin' CNC aluminum center differential mount for the Jammin' X1CRT-Truggy.

Ofna optional front Torsen differential for the 9.5 RTR Buggy. This unit replaces the stock standard front differential.

Ofna two speed transmission for the Ultra car kits. This will work only for the Ofna Ultra kits.

Ofna pair of stock replacement rear axles for the Ofna Pirate 10 Truck. The wheel nuts thread onto these parts.

Ofna replacement diff gear case. This part houses the diff gears.

Ofna main gear box assembly for the the Monster Pirate.

Ofna optional two-speed transmission for the Monster Pirate chassis.

Ofna replacement front or rear differential case for the Ultra LX Comp series.

Ofna TORK-SENSING differential. This works for the Ofna Ultra kits.