Penske 47 Gram Shock Bump Rubber (Blue) 10230C Compatable with racing fuels that

Compatable with racing fuels that contain benzine

Self-tuning fuel table strategy greatly simplifies tuning process

Good replacement for turbo charged Grand National

just to name a few

Penske 47 Gram Shock Bump Rubber (Blue) 10230C Compatable with racing fuels thatProduct Description: Bump Stop 47 gr Polyurethane Blue Penske Shocks Sold Individually Penske Racing Shocks recognized that racing put very different demands on shocks compared to road use, and spent years of research and development to develop a line of shocks built specifically for circle track, drag, and powersport applications. Penske offers high performance shocks, shock components, and related parts like coil over kits and bump stops.