9728-36 Head bolt kit

When you are working on a vintage Sidevalve motor, you need hardware you can trust. This Colony head bolt kit is designed for 1937 to 1948 74-inch and 80-inch Big Twin Sidevalves, as well as 1929 to 1950 45-inch Sidevalve models equipped with cast iron heads. These bolts feature a traditional black parkerized finish, providing an authentic look for any period-correct restoration. This kit is an OEM-style reproduction that ensures your cylinder heads are torqued down securely to prevent leaks and head gasket failure. Colony's commitment to quality means these fasteners meet the demands of these classic engines, providing the strength and reliability required for a proper rebuild.