Its Mod 1 pitch allows it to be used with compatible Mod 1 pinion gears

Powerhobby CNC Aluminum Flex Blades Suspension Travel Extension Axial SCX24

Bumper set for the HPI Savage X Flux V2

Set includes the gaskets

Kyosho IF221B Knuckle Arm (L & R/IF6B) X-Monster Chassis Parts Its Mod 1 pitch allowsKyosho IF221B Knuckle Arm (L & R IF6B) The Kyosho IF221B Knuckle Arm Set is a genuine replacement part designed for the IF6B. Including both left and right pieces, it restores proper steering geometry with an authentic factory fit. Genuine Kyosho replacement part Left and right knuckle arms included Designed for the IF6B Part number IF221B