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Locks, Keepers, Hardened 3/8" X 7 Degree, .050" Up Locks

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Calculated at checkout

Product Description

Up locks will produce .050" MORE Installed height the std locks

Hardened Single Groove Up Locks

Application: 3/8" Applications


These are sold in half sets of 16 halves which is enough for 8 valves. If you need enough for 16 valves, simply order quantity of two.


Up locks are designed to offer ADDITIONAL installed height.

We offer a few different versions of up/down locks. These are the .050" up version.

Specially manufactured for added strength, these Up locks are great for many performance single groove 3/8" valve applications in need of increasing the installed height.

If you look at the pictures, you can see the locator bead is offset downward which raises the locks height on the valve stem.





  • Made in the USA
  • Red Surface Finish
  • Hardened to Resist Wear
  • 7 Degree Lock Angle
  • Aproximately .050" more installed height
  • Single Groove Square Bead
  • Comes with 16 halves.
  • Enough for 8 valves.




Alex's Parts- The smart choice in valve train parts~


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