reed spacers?

[x-man]

what do reed spacers do?

 

[jbuckster07]

come on man you have to try and use the Search function on this site at some point....

http://www.blasterforum.com/threads/love-this-site.51719/#post-650503

reed spacers add no power, just move the power up or down the rpm range
in front of the reeds = low end
behind the reeds = top end