Fluidampr recommends to pin the damper to the crankshaft on Chevy/GM 6.6L Duramax diesel engines. Kit includes press fit steel dowel pin, drill bit, and drill fixture for accurate alignment.
Things that could pair well together with what you are looking at...
Messaged Brian about the thought of doing coilovers and sway bars on my c6. He called me up and we talked for probably 30 min, awesome guy to work with/shop with. Definitely would recommend this company.