Send in your Macdev Clone bolt and valve for spring modding / with spring

This item is to have us mod your Clone Bolt and valve. !! --   NOT NEW PARTS  --- !!! You would send in just your bolt and valve. Once your order comes is we will email you the address to send your bolt to. Expect a 1-2 day turn around from when we get your bolt in. How this works You would send in your Bolt and Valve.  --Pictures of these parts are in the main picture Your Bolt will be machine to hold the new spring. You will get a new Pooty spring shipped back with your parts Your Valve will also need to be machined to make room for the new spring You would then be shipped back your modded Bolt, Valve and a new spring Simply drop the spring over your bolt guide and install your parts like you normally do Adjust the Dwell down 8-9 ms on your Clones board All done   Please note that some Clones can use a lower dwell then others. The best working dwell setting for this mod seems to be around 8 ms If you do go lower then a 8ms of dwell time you should watch for a drop in fps or drop