Diesel fuel pressure and vacuum testing on GM 6.6L Duramax engines;Gauge assembly with 6-ft. hose and quick coupler;3-1/2 gauge reads 30 inHg to 15 PSI

• Lang Tools TU-32-6 6.6 L GM Duramax Diesel Fuel System Test Kit
• 6.6 L

Lang Tools TU-32-6 6.6 L GM Duramax Diesel Fuel System Test KitLang Tools