Koswork Kyosho Hardened King Pin/Shaft 4x24.45mm Ultima & JJ RC Spare Part - KOS04348

The Koswork KOS04348 hardened king pin and shaft set provides direct-fit replacement steering pins for the Kyosho Ultima and Kyosho JJ buggy platforms. Measuring 4x24.45mm, these king pins are manufactured from hardened steel, making them a more durable option than standard OEM pins that can wear or bend under repeated racing stress. If you're rebuilding the front suspension on your Ultima or JJ, this is the correct spec part to keep steering geometry consistent and precise.

Key Features

• Hardened steel construction for increased resistance to bending and wear compared to softer stock pins
• Precision 4x24.45mm dimensions ensure a correct fit without modification to Kyosho Ultima and JJ front steering assemblies
• Sold as a pair, providing enough pins to refresh both front steering knuckles in one purchase
• Direct replacement part — no additional machining or adaptation required

Compatible With

• Kyosho Ultima
• Kyosho JJ

What's Included

• Hardened king pin/shaft 4x24.45mm x2

What You Need

• Suitable tools for front suspension disassembly and reassembly (e.g. pin punches, hex drivers)
• Replacement steering knuckles or suspension components if additional worn parts are identified during servicing