Radiator Hose: Buick Skylark Lower 64-67LOWER Radiator hose on vehicles without Factory AC or WITH factory AC Check hose visual and note the length (67cm) was made longer to allow for some of the bigger bodies that used the same route and id hose. Cut to fit if needed. This is a molded hose. Any colour as long as you want black or black. Centerline Length (in) 26. 5 Centerline Length (mm) 673 Contains Spring No Inside Diameter 1 (in) 1. 5 Inside Diameter 1 (mm) 38 BUICK SKYLARK 1964 1967