Why dont you buy real TeamC shocks, they are so much better than the B4's that keep popping out. (thats why they sell them) and so smooth. Just remember to shim the pistons with a 0.2mm shim.
http://www.eurorc.com/product/102/rear-shock-absorber
http://www.eurorc.com/product/101/front-shock-absorber
only 40euros for the whole set