PRO XP-4 / PRO R-4 / TURBO R-4 Hi-Bred Door Kit SDR MOTORSPORTS INC. PRO XP-4 / PRO R-4 / TURBO R-4 HI-BRED DOOR KIT DOORS ARE SHOWN IN CUSTOM COLORS WITH CUSTOM GRAPHICS. DOOR KITS SHIP WITH BLACK FRAMES AND PANELS. HI-BRED DOORS ARE DESIGNED TO FIT WITH THE FACTORY FENDERS. HI-BRED... MSRP: Was: Now: $1,777.98 Choose Options