Head Bolt Washers; 0.5 in. ID; 20 pc.;
Extra thick 0.120 inch ultra quality washers are parallel ground, heat- treated and chamfered. There washers, made of 4130 chrome moly steel can be used with both studs and bolts. The chamfered side goes up to clear the under head radius of head and main bolts, or reversed for use with studs. Torque accuracy is much improved by providing a smooth, flat bearing surface and clamping forces are more evenly spread for ultimate sealing. Perfect for aluminum heads. Black plated finish. 34 pieces per kit.
  • Ensures Equal Readings
  • Reduces Damaging Bosses

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.