Thumpertalk compression release hole plug

5 replies to this topic
  • Dustykat

Posted April 14, 2008 - 09:20 PM


I cant find the plug that has been for sale on this site before. Now that I have done the cam swap out I'd like to plug off that hole in the head where the compression release is.

Anyone know where I can find that piece?



  • DeeCee

Posted April 15, 2008 - 12:23 AM


There was a thread recently about this. From memory the shop has stopped stocking them. Suggest you send a query to the shop and ask.

  • MaxPower

Posted April 15, 2008 - 01:28 AM


[COLOR="Green"]I bought one on Ebay[/COLOR]

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  • 1rkcooper

Posted April 15, 2008 - 07:36 PM


TT no longer sells them. It has been discussed before, try a search. Some options are try ebay for a plug, cut the stock release off so it doesn't reach the valve bucket or you can buy a plug from anauto parts store, I think grayracer called it a freeze plug or frost plug, I can't remember.

http://www.thumperta...ompression plug

  • grayracer513

Posted April 15, 2008 - 09:02 PM


Depending on who you ask, they're called expansion plugs, freeze plugs, or cup plugs. $1.50 at the auto parts store (18mm plug). They're a little tricky to get installed with everything in place, though.

  • MaxPower

Posted April 16, 2008 - 12:50 AM


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