The IV Core bolt assembly is the drivetrain for both the legendary Eclipse GSL and the new GEO3.5 and is now available as a retro-fit upgrade for all GEO marker models. It's quick and easy to install to all of the following GEO markers: GEO, GEO+, SL91, GEO2, GEO2.1, GEO3 and GEO3.1 and includes all private label versions of these markers. Installing the IV Core will dramatically improve your marker's performance and efficiency with immediate results.

Kit Includes :

• x1 Soft Tip Bolt
• x1 Hard Tip Bolt
• x1 Propshaft Assembly
• Installation Instructions

Please note the Soft bolt does not work with anything lower than Geo3