Turbo Boost Leak Tester Kit 10PC Boost Leak Tester Automotive Well-sealed Turbo/Emission/Cooling System Pressure Leakage Tester with 4 Pairs of Stepped Adapters 1-3/8" to 3-1/2", US & EU Air Fitting. 【4 Pairs of Stepped Adapters & Good Sealing Performance】Turbo boost leak tester's adapter adopts a stepped design.
