Aluminum surprise absorber set is completely redesigned for improved traction and steering characteristics, and optimized up & down travel. The redesigned longer shock systems accommodate the longer shock shafts, and pistons produced from special white Delrinââ? material have already been optimized for entire number and sizes. Using the aluminum shock absorbers, vehicle produces more traction and better steering characteristics and vehicle roll. The set of pistons consist of 2 and 3-hole pistons with 1.0, 1.1 and 1.2mm diameter holes. The pistons are accuracy molded from unique white Delrinââ? product to make sure extreme roundness and extra-smooth dampening, while keeping maximum stiffness and durability. Shock bodies are CNC-machined from premium Swiss 7075 T6 aluminum and hardened to make certain maximum lifespan. Outside fine threading allows for fast & easy trip height modification. The shocks function low-profile membranes for super-smooth, precise damping. Note: To use #338001-K on NT1 Specs additionally you have to make use of #332080 and #333080 surprise towers. To utilize this shock absorber set on RX8 specifications you should make use of #342080 and #343082 surprise towers.