Jims Evolution Cylinder Stud Installer for 1984-2003 Harley-Davidson Models 1075

Cylinder stud installation demands precision—misalignment leads to leak paths, uneven clamping loads, and premature gasket failure. The JIMS Evolution Cylinder Stud Installer eliminates guesswork by centering studs perfectly during assembly, ensuring consistent torque distribution across your cylinder head. Whether you're rebuilding an engine on the bench or doing a full top-end refresh, this tool transforms a frustrating process into a repeatable, reliable operation.

Built with a captive hardened ball bearing positioned 1" from the top, this installer maintains alignment throughout the installation stroke. The design accommodates all Evolution Big Twin and XL models from 1984–2003, making it an essential addition to any serious Harley builder's toolkit. Manufactured in the U.S.A., it's engineered for the demands of both professional shops and dedicated DIY mechanics.

• Captive hardened ball bearing
• Precision-aligned stud centering
• Evolution Big Twin compatible
• XL Sportster compatible
• 1984–2003 model years
• U.S.A. manufactured
• Lightweight, ergonomic design
• Bolt-on installation tool
• High-quality construction
• Professional and DIY ready