Drill America GLBCOX127/16 7/16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX127/16 Supplies & Equipment>Sealers/Adhesives GM-41665-A will back-service all small-block

GM-41665-A will back-service all small-block V8 engines to 1997 (4

1992 and newer Ranger

Use to disconnect the high pressure oil line from the cylinder head

The tool is finish machined on both ends to fit the different diameter cups and is used in a hydraulic press

Drill America GLBCOX127/16 7/16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX127/16 Supplies & Equipment>Sealers/Adhesives GM-41665-A will back-service all small-blockDrill America GLBCOX127 16 7 16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX127 16 Manufactured to Aerospace Standard 907. Ideal where extra length for reach is required. These drill bits display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel, and are especially effective in drilling tough, high tensile strength materials like stainless steel, inconel, and titanium. The 135 split point is self