8620-17-Z Crankcase bolt kit

For the dedicated 45 cubic inch Flathead enthusiast, this Colony crankcase bolt kit is an essential component for any serious engine overhaul. These bolts are manufactured in the stock style with a classic zinc finish, providing the authentic look required for a high-quality restoration. This kit is designed to fit 1937 to 1973 45 inch Sidevalve models, covering a wide range of Solo and Servi-Car applications. Replacing your old, corroded fasteners with this fresh kit ensures a secure seal for your crankcase halves and helps maintain the structural integrity of your vintage motor. This hardware is sold as a kit, providing a complete solution for your next bottom-end project.