15-19 POLARIS RANRZR4XP1004E: Dragonfire Racing Door Panel and Slammer Kit Polaris is known for its amazing off-road machines, but there is one thing in particular missing, complete doors! The DragonFire team decided to fill the void, instead of re-invent the wheel, with the development of the Door Panel and Slammer Kit. Keeping the ride in mind, DragonFire&#39;s included Slammer Kit upgrades the hardware on the O.E. doors to minimize annoying rattles allowing you to focus on the great outdoors, while the Panel Kit completes the look and feel of your RZR.Door Slammer Kit included to optimize O.E.M. door function.Constructed of aircraft-grade aluminum.Built-in gusset supports.Designed to match O.E.M. body lines.Bump stops included to add rigidity when doors are closed.Less expensive than O.E.M.