any idea on where I can get a 4" swingarm extension for my blaster ???

 

Trenga racing sells cool parts for a blaster. You can give them your old swingarm as a core and they will build one for you with your specs for a fair price.( about 225.00$)
phone:814-231-3884
fax:814-231-2886 Hope this helps! I would rather have a swingarm thats extended than a bolt on extender for half the reliability and cost!!