HPI Racing - Adjustable Upper Arm Set, Savage XS (Opt) KYO34436T1 The HS-311 sport servo provides

The HS-311 sport servo provides the novice modeler all the performance and reliability you would expect to find in a more expensive servo

Bottle of shock oil

High performance machined POM spur gears for all Exotek slipper eliminator hubs

Solid bumper bars are anodized clear for durability

Tune your Savage XS for extra performance with this Adjustable Upper Arm set

HPI Racing - Adjustable Upper Arm Set, Savage XS (Opt) KYO34436T1 The HS-311 sport servo providesTune your Savage XS for extra performance with this Adjustable Upper Arm set! It includes tough plastic rod ends with metal swivel balls and steel turnbuckles for awesome racing performance potential.