These Schumacher Racing Products big bore shock pistons are designed for the Cougar Laydown and CAT L1 EVO platform, sold as a pair. The tapered blank design features a smooth face on one side and multiple oil-flow holes on the other, allowing tuners to drill custom port configurations to suit their specific shock tune. They are a factory replacement option for hobbyists rebuilding or upgrading big bore shocks on compatible Schumacher 1:10 vehicles. Features: Sold as a pair Blank tapered design for custom port drilling Compatible with Schumacher big bore shock assemblies Yellow pigmented construction for easy identification 7/7/26 cs