Typically requiring no machine work, our 504 umbrella seal is a great option for stock guide applications with 3/8" valves needing a seal replacement.
For more than 35 years, the COMP Cams(R) mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group(TM) has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams(R) as the absolute leader in valve train components.
  • Keeps Unwanted Oil From Entering Comb. Chamber
  • Normally Used When Larger Than Stock Diam. Spring Is Used
  • Require No Matching
  • 1 Year Limited Warranty

Application Summary:

Year Make/Model
Engines w/ Stock/Unmodified valve guides and 3/8" Valve Stems

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.