The ones that Chrysler used for years are the Mubea hose clamps... I haven't seen them in aftermarket parts stores, they were bought directly from Mubea by Chrysler.... You have to get the proper size for the hose that you are using...
Mubea - Products & Technologies - Industry - Products - Spring Band Clamps
Mubea - Products & Technologies - Aftermarket - Products - Spring Band Clamps
This gives the specifications for open and closed diameter...
Mubea - Products & Technologies - Automotive - Engine - Spring Band Clamps - Characteristics and Construction - Significant Parameters - Hose Clamp
