Falcon Shocks SP2 3.1 Piggyback Front and Rear Shocks for 0 to 1.50-Inch Lift (20-23 3.0L EcoDiesel Jeep Wrangler JL)Advance Your Handling Performance. If youre looking to advance your stock to 1. 50 inch lifted Wrangler JL handling performance then you need these Teraflex Falcon SP2 3. 1 Piggyback Front and Rear Shocks for 0 to 1. 50 Inch Lift. These front and rear shocks utilize a monotube gas charged configuration combined with piggyback reservoirs. This configuration is designed to deliver a faster damping response thats less likely to fade. This in turn gives