The Yokomo YD-2 SLF (Super Low Friction) Aluminum Big Bore Shock Set is an excellent optional shock for your YD-2. Featuring red anodized aluminum parts and a low friction Kashima coating you get the style and performance your YD-2 deserves. Using a big bore shock body design matched with a super low friction Kashima coating and o-rings these will have dependable performance in the most demanding of situations. When using harsh riding resin tires common to drift setups these shocks can make the difference when it comes to consistency, along with increasing traction giving a significant advantage. Package includes all parts to build four complete shocks for the YD-2 with the exception of springs and shock oil.