1971-1972 GMC, TRUCK, PICKUP, C10, C20, C30, K10, K20, 1000, 1500, 2500, K1000, K15/1500 Complete Weatherstrip Seal Kit - Models With Weatherstrip Trim Groove & Black Beltline Moldings. Kit Includes: door weatherstrip with mitered corner, upper channel, division post glass run, vent seal kit, large rear window seal, chrome style windshield seal, beltline kit. CWK 1110 71