"Home of K&K Caps" Family owned and operated since 1971. Selling everything from Truck Caps, Running Boards, Sliding Windows, Bed Liners, Toneau Covers, Trailer Hitches, Brush Guards, Grill Guards, Headlight/Tail Light Covers, and more! Jasper Camper Sales of Jasper, MI has been Awarded ASTRO "Top Ten" for 11 Consecutive Years. Truck Caps in Toledo, OH , truck caps in Ann Harbor, MI, truck Caps in Hilldale, MI.