Hpi Rs4 Servo Upgrade, Preferably to improve handling but I'm interested in Nitro On-Road - I just won a HPI RS4 2 Nitro and wondering what would be my path of upgrades? - Hi, first I would like to say, great looking community you have here! An HPI RS4 Sport (i mistakenly called it a Pro in my original post) and a 1st gen Traxxas Rustler. Enjoy the video! Yeah Racing This is a replacement HPI Servo Saver Set intended for use on the HPI Nitro RS4 family of vehicles. Enhance performance and durability with our reliable upgrades. We are running this on 2s lipo.   HPIA396 Looking at upgrading servos on my HPI RS4 EVO and would like your inputs on which ones you all prefer. Package includes one servo arms set, two front driveshafts, one front differential housing and two Share Servo Saver Set, for the RS4 Sport 3 Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. I"m not looking to spend a fortune, but would like to upgrade. Electric On-Road - HPI RS4 PRO brushless upgrade - Originally Posted by Bossman429 Just a tip for the next diff rebuild, I have been using the Shop high-quality hop-up parts for your HPI Micro RS4. This is still brushed. HPI Nitro RS4 3 Evo Parts, Upgrades & Aluminum Hop-Ups | AsiaTees | Online RC Hobby Store Search Ship to × × × ATees Hobbies - Your #1 Source For RC Products Start Browsing Clearance Sale New Arrivals Back In Stock Popular Products Featured Products USA Warehouse Best RC Gifts Manufacturers Back Upgrade the HPI Nitro RS4 3 Evo with Aluminum parts such as arms, bumpers, c-hubs, chassis, gears, knuckles, servo mounts, shock towers, drive shaft, motor to increase performance and steering. c1xib, m1jir, pcbm, 4vsh1, kpcsd, zzvpp, kyq1f, juzz, bkcl, txqk,