This exhaust clamp set fits Mack and Navistar cab and chassis applications and comes as a pack of 5 identical clamps. Each clamp holds exhaust pipe, muffler, or tailpipe joints aligned and sealed to prevent leaks along the exhaust system.Interchanges:207055574103-500182176483AX64083AX725Mack 83AX807Navistar 981985981985R91ECL-1935This unit is sold in packs of 5.FeaturesPack of 5 exhaust clampsCab and chassis exhaust hardware applicationTech SpecsUnit of measure: Pack of 5