Engine Rocker Arm Poly-Locks; 3/8-24 Thread; .550 Inch Outside Diameter; Designed to Fit Most Extruded Roller Rocker Arms; Not For Use With Stud Girdles; Sold As One Set of 16 Pieces
16 per package
  • 3/8-24 Thread
  • .550-in. Outside Diameter
  • 3/8-24 Thread
  • Not for Use with Stud Girdles
  • 1-inch Stud Length
  • Sold as One Set of 16 Pieces

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.