Quote:

5/16 is 7.9375 mm




Which is not 8mm. Put a 5/16 valve in a guide sized for 8mm and I don't think you will be happy with the results.


Drag Week 2011 - 77th place - DD
Drag Week 2012 - 2nd place SRBB N/A
Drag Week 2014 - Kapooya
RMRW 2018
RMRW 2020