GearWrench GM Carburetor Adjusting Tool 2776D

ADAPTERS:

DOUBLE "D" for GM, 79 THROUGH PRESENT

4.5MM HEX FOR 78 AND 79 GM

1/4" HEX FOR PRE 78 GM

3/32" HEX FOR 78 THROUGH PRESENT CHRYSLER

1.7L-2.2L ENGINES