16811-40 Cylinder Head Bolt Kits for Sidevalves

For those working on a 45" Flathead or Servi-Car, this Colony cylinder head bolt kit offers the highest quality hardware available for a top-end rebuild. Replacing OEM 16811-40, this set includes the head bolts, nuts, and washers necessary to secure your cylinder heads properly. Each piece is machined from high-strength steel and hardened to match original factory specs, ensuring the bolts won't stretch over time. The use of rolled threads provides extra strength and a precise fit into the cases. Finished with a protective plating for a clean look and corrosion resistance, this kit is sold as a set and is a must-have for any serious sidevalve restoration.