Take the RS4 Sport 3 to the track and get the most consistent lap times with these optional aluminum shocks that are machined to perfection and look great!THIS PART FITS THE FOLLOWING KITS /...
Extra lightweight 7075 alloy drive shaft for the HPI RS4 Sport 3. All alloy construction weighs only 12.5gr- the stock steel shaft is 35gr! Less rotating mass means longer run times, a cooler motor...