HPI Crawler King Upgrade GPM CK021 Aluminum Knuckle Arm Set  [CK021]

Aluminum Knuckle Arm Set for HPI Crawler King

Replace stock knuckle arms with the GPM aluminum set to gain cleaner steering feel and stronger components under load. The front and rear pieces are designed to give a more controlled steering action while retaining simple installation steps.

Feature Highlights

• Aluminum construction increases part strength over stock
• Improved steering accuracy and more responsive handling
• Made to fit HPI Crawler King variants without modification
• Supplied with fitting hardware for quick assembly