It's actually Syncromax, +2 for the RP Syncromax for the M6 and this for the rear end, you'll need 2 ->
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Syncromax, get the case it's cheaper than buying singles. ->
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
A pump to get it in there. ->
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1