MILLER TOOL SET FOR ALL NAG1 722.6 W5A330 W5A580 AUTOMATIC TRANSMISSIONS. Professional Grade Tool set, not a cheap copy. This tool set is compatible with Mercedes, Mercedes AMG, Dodge, Chrysler, Jeep, Jaguar, Porsche and any other vehicle featuring the Mercedes 722.6 NAG1 transmission. This transmission is one of the easier ones to rebuild or refresh as long as the appropriate tools are used. This tool set includes. Piston spring washer compressor set used to compress the B1, B2, and K1 through K3 clutch packs. Air check plates for all hydraulic circuits. Seal driver for the front pump and rear output shaft seals. Shift shaft seal driver. Transmission fluid level dipstick. Output Flange Nut Stake Driver.