→Need help with configuring your VSR stack length? VSR Stack Configurator

⚠️NOTICE: These valves are being discontinued and will be replaced with the modular version!

1.025″ unfinished customizable valve spring retainers

• 1.025″ nominal size (1.022″ actual OD)
• 304 Stainless Steel
• Ultralight engineered design
• Fully customizable to fit the valve stems of your choice
• 60° seat angle or radiused seat option matches industry standard seat cuts
• 0.330″ face diameter
• Skirted for deeper seats
  • Available in many skirt sizes to fit your need. Sized in 0.040″ skirt length increments
  • Skirts are fully trimmable
• Stepped base provides a better seal
• Can be stacked for added valve stem stability
  • When stacked, they have a tight interlocking fit which is preferred by most engine builders, makes it easier to guide through. If they are too tight for your preference, give it a few rounds with 220 sandpaper on the inside edge of the skirt and loosen it to your liking.

How to add multiple sizes to your cart: select the size you need & quantity- add to cart. Select the next size & quantity- add to cart….

Weights:

0.320:   0.32oz

0.360:  0.33oz

0.400:  0.35oz

0.440:  0.36oz

0.480:  0.37oz

0.520:  0.38oz

0.560:  0.39oz

0.600:  0.40oz

→Need help with configuring your VSR stack length? VSR Stack Configurator