Check the listing for details. 1/10 LOSI DB PRO New Upgrade SRP KIT By RC BASH CO. Condition: New. Listed at 12.50 USD. This is a New Upgrade for the LOSI DB PRO! The Shock Rod Performance Kit. By RC BASH CO. The SRP KIT * Provides an impressive response during the preload of the shock. * Experience better control over aggressive terrains.* High strength CNC Shock rod ends for added durability.* Protects and eliminates your shock from bottoming out.* More control on the track and in turns.* Provides more resistance for your current shock with out adding heavy weight oil. * Works well on several different 1/10 scale shock absorbers (excludes Big Bore Shock rods) This SRP KIT also works for the1/10 LOSI LASERNUT U4. We value and appreciate your support as we continue to bring new products to the RC Industry! Check out our RC_BASH_CO (Instagram) RC BASH CO (YouTube) and RC_BASHCO (TikTok) for testing videos, and an installation overview.