Kyosho IF144B Swing Shaft for Inferno MP Series NEO 3.0 & 4.0  [KY-IF144B]

Fit and function summary for the rear pivot

The Kyosho IF144B swing shaft is a direct replacement part for the rear suspension pivot on Inferno MP Series NEO 3.0 and 4.0 buggies. Below we outline fitment considerations, installation reminders, and the swing shaft's role in rear suspension geometry and maintenance planning.

The swing shaft locates the rear hub assembly and provides the rotation axis for the swing arm. With use, bushings or the shaft can wear and introduce play, which degrades traction and consistent handling. A replacement shaft reinstates correct pivot alignment and reduces unwanted wheel movement.

Replacing the shaft typically requires removing the rear hub and some disassembly of the swing arm pivot assembly. Inspect retaining clips, bushings, and any associated fasteners during the job and reuse original parts if appropriate. Use the correct hex drivers and confirm smooth swing arm travel without binding after assembly.

In terms of vehicle setup, the effect is about predictability: removing pivot slop reveals true suspension reactions, so shock and anti-squat adjustments will respond more reliably. When facing rear-end instability, check shaft wear and hub tightness before making suspension component changes.

Compatibility

• Inferno MP Series NEO 3.0
• Inferno MP Series NEO 4.0

Use the IF144B to restore correct rear pivot geometry or to replace a worn shaft, and always verify that the replacement matches the original component before completing reassembly.