These are something we have been designing as a race team for awhile now for the G2 series blocks or the X2 series blocks that we sell separately
These are the best high performance reed cage replacement for the G2 reed block
-Carbon Fiber Petals
-2 petal for Max flow
-Stuffed and volume tested for no low pressure areas
Includes: reed cage, petals, petal braces, and screws.