Serpent now offers an upgrade kit to take your current Cobra GT8 to 3.0 status. This upgrade kit fits both kit and RTRs as well as EP or GP versions.
This kit includes 4.5mm front and rear shock towers, a machined 7075 T6 aluminum rear hubs, shock extension brackets and C-hubs. Mounting hardware is also included.
600717 Cobra GT update set to 3.0 suspension
600699 Shock tower, front, V2 carbon fiber, 811GT
600700 Shock tower, rear, V2 carbon fiber, 811GT
600702 Shock extension bracket, front, aluminum. 811GT (2)
600703 Shock extension bracket, rear, aluminum, 811GT (2)
600701 Upright, aluminum, V2 811GT (2)
600704 C-hub 6 L+R, aluminum
600713 Suspension bracket, front/rear, 811GT
600714 Suspension bracket, front/front, 811GT
[source: www.serpent.com]