Hpi 86839 Aluminum Preload Collar 13mm (4Sets) E-firestorm 10-T Firestorm 10T 1.55 Wheels and the light blue finish

and the light blue finish is the rate code so you can identify a spring at a glance in the pit box

tunnels and terrain seams

The Auxiliary Advantage

Traxxas 5727X Drive Strut w/Stainless Steel Ball Bearing

hopping away

Hpi 86839 Aluminum Preload Collar 13mm (4Sets) E-firestorm 10-T Firestorm 10T 1.55 Wheels and the light blue finishHpi 86839 Aluminum Preload Collar 13mm (4Sets) E firestorm 10 T Firestorm 10T This is a genuine HPI Racing aluminum preload collar set in 13mm size for the E Firestorm 10T and Firestorm 10T, with four sets included enough for all four shocks. Preload collars set spring tension and ride height, and aluminum collars hold their adjustment precisely. An easy upgrade or replacement that keeps your Firestorm's stance and handling dialed exactly where you