General Motors Head Stud Kits

Suregrip Head Stud Kit for Cadillac Northstar V8 Engines

Main Studs for the bottom end of the Northstar engine. Replaces the factory bolts that commonly snap upon disassembly.

Suregrip Head Stud Kit for the GM Atlas in-line engines. This is the oversized kit, to fix engines with stripped head bolt holes. This kit is far superior to any other kit on the market as it not only repairs the threads, it converts the engine to head studs at the same time for more accurate clamping force. Protected under USA Patent 8,740,532

Suregrip Head Stud Kit for the GM High Feature V6. This is the oversized kit, to fix engines with stripped head bolt holes. This kit is far superior to any other kit on the market as it not only repairs the threads, it converts the engine to head studs at the same time for more accurate clamping force. Protected under USA Patent 8,740,532

Oversized main stud kit for 1996-2011 Northstar V8 all models. Requires rethreading the holes, and includes the installation kit: alignment tool as well as a threading tap. No drilling is required, you simple tap right over the existing threads.

Oversized main stud kit for 1996-2011 Northstar V8 all models. Requires rethreading the holes.

Oversized main stud kit for 1993-1995 Northstar V8 all models. Requires rethreading the holes.

Suregrip Head Stud Set (Studs, Nuts, Washers only) for Northstar V8

Oversized main stud kit rethreading tool kit. Consists of a tap fixture guide, threading tap, and bolt, to do one hole at a time.