1. Require to using this kit set with ORIGINAL SHOCK BODY ! 2. Piggyback dampers (L shape) to keep more oil volume for the travel range, anti-leak oil design. 3. Improves the thickness of the shock shaft to become 7mm in stainless steel. 6mm coil springs in green and 2.8mm coil springs in orange. 4. These shocks are using for both front and rear.