Header Bolt Lockwashers; 3/8 in.; 12 pc.;
Designed especially for use with all header bolts to help prevent loosening and assure a tight gasket seal for positive header installation. Use with our header bolts. Black finish.
  • Black Oxide Coating
  • Helps Prevent Loosening
  • Maintains Fastener Clamp Load For Position Flange Seal

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.