Gilby’s Heavy Duty Cylinder Head Stud Kit For 2017 & Up Harley-Davidson M8 Motorcycles

Gilby’s Heavy Duty Cylinder Head Stud Kit 8 Pack For 2017 & Up Harley-Davidson M8 Motorcycles

Introducing the Gilby’s Harley-Davidson Heavy Duty Cylinder Head Stud Kit, now available for purchase. This premium stud kit is meticulously crafted for high-performance Harley-Davidson M8 engine applications, designed to handle everything from peak horsepower to extreme boost levels, as well as naturally aspirated big-bore Milwaukee-Eight engines. These heavy-duty cylinder head studs are engineered with precision to firmly secure your Harley M8’s cylinders and heads, while reducing cylinder head heat expansion, providing exceptional reliability. With this robust kit, you can rest assured that your engine will operate flawlessly, eliminating the concern of blown head gaskets under intense performance conditions. Upgrade your riding experience and maximize your engine’s potential with Gilby’s reliable engineering.

Compatible with Harley-Davidson M8 Softail and Touring Motorcycle Models 2017 to Present.

Important Note: The Stock Cylinder Stud holes must be reamed to size (35/64ths) to accept the new provided enlarged 1/2″ stud kit. It is highly recommended to have this done by Gilby’s Street Dept. or a capable professional machine shop. 

Gilby’s Street Dept. Address: 634 Glover Rd, Hudson, WI 54016

Gilby’s Heavy Duty Cylinder Head Stud Kit For 2017 & Up Harley-Davidson M8 Motorcycles

Why Harley Engine Builders Choose The Gilby’s Heavy Duty Cylinder Head Stud Kit

Gilby’s Heavy Duty Cylinder Head Stud Kit is cold-forged to maintain their molecular integrity. They undergo heat treatment before thread rolling and machining. These kits are available with 12-point nuts, and all studs come with hardened parallel washers, which help ensure even load distribution and accurate torque spec readings. 

All Heavy Duty Cylinder Head Stud Kit Hardware Included:

• GST-STUD9.5 (4)
• GST-STUD9.625 (4)
• Flat Washers (8)
• 12-point Nuts (8)

Compatible with Harley-Davidson M8 Softail and Touring Motorcycle Models 2017 to Present.

Important Note: The Stock Cylinder Stud holes must be reamed to size (35/64ths) to accept the new provided enlarged 1/2″ stud kit. It is highly recommended to have this done by Gilby’s Street Dept. or a capable professional machine shop.

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