Kyosho IF420B MP9 Steering Knuckle Collar Set 4pcs  [KY-IF420B]

Improve Steering Consistency with Kyosho IF420B

For modelers focused on repeatable steering, the Kyosho IF420B knuckle arm collars bring tighter control to MP9 setups. These collars reduce play in the steering linkages so inputs translate cleaner to wheel movement.

Where They Fit and What to Expect

Made to pair with MP9 steering components, the collars offer a straightforward fit and help maintain factory alignment. They are ideal for racers who switch between hardpack and carpet tracks and need reliable steering feel across conditions.

Installation Advice for Long Service Life

Clean the knuckle and shaft areas before fitting the Kyosho IF420B collars and seat them squarely. Check retention after initial runs and include them in your regular maintenance checks to avoid looseness and premature wear.