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Cummins

Boost leak testing your Cummins pickup

For Cummins-powered Ram 2500 and 3500 pickups up to 2007, the ISB 5.9L tester is a premium billet aluminum 30 PSI kit. Order it on its own or with the extension line and shut-off valve. The ISX and CM870 tester is listed here as well for larger Cummins engines.

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