Stock Slash, ProTrac Suspension Kit for Slash, 4X4. SC10, Blitz and Ultima SC, with 6063-05 universal adapter. Made in the USA since 1982. Aluminum body and shock cap, already assembled, just add oil. Unlimited spring preload adjustment.

Key Features True dual-stage spring rate aluminum body and shock cap Infinite spring preload adjustment Beefy 3.5mm shock shaft injection molded, extremely durable spring retainer and shock bladder sealed shock cap free-flow molded Comes with dual piston O-ring chairs and pre-assembled upper and lower shock shaft guides - Just add oil to your stock - ProTrac Suspension Kit for Slash and SLASH 4 Or Slash Powerstroke shocks with a ProTrac suspension kit. Includes: Pre-assembled Powerstroke performance front shocks (2 pieces)