HPI 102522 Heavy Duty Servo Saver Spring 21x12x1.9mm 4.5Coils

This new heavy-duty servo saver spring provides more direct steering for all Savage X and Savage Flux models, allowing today's stronger steering servos to give the Savage models faster and more immediate steering response. Easy to install for an easy and effective option! Option part for #86319 and #87197.