The factory RSST Caps allow you to modify the air hole for different builds and air flow needs. You can have muliple cps for multiple air flow situations.
Posted by mike on 29th Mar 2014
Exact smok rsst top cap great replacement for the original I had where the air hole was drilled too big for me, the guy at my local shop recommend that size hole...I Received the new one in a few days from twisted started off with small drill bits and worked my way up....thanks twisted for the replacement
Posted by Tre on 17th Sep 2013
Delivered quickly and exactly as pictured. Thanks Twisted Vapors for being another great online shop
All prices are in USD.