HPI SF-20 SERVO CASE SET Owners of HPI SF-20 servos can now replace worn or damaged servo cases with this factory replacement set. Built to the exact specifications as the original case for a perfect fit, the set includes all three case sections and case screws.
HPI SF-20 SERVO GEAR SET Owners of HPI SF-20 servos can now replace worn or damaged servo gears with factory replacement parts that are built to the exact specifications as the original parts. This package includes four gears.