Carli Signature Series Shock Package (1994-2013 Ram 2500/3500)Undoubtedly, the BEST monotube shock on the market for a Cummins powered Ram is the Carli Signature Series. Originally, Carli used the Bilstein 5100 shocks in their Starter and Leveling Systems but knew they could build a better shock, and so they did. This is the same shock that Carli currently offers in their Starter and Leveling Kits, but now available as a replacement shock. This is a great shock package for those who use their truck for everyday