Packaging Includes: Rear Lower Trailing Arms-2pcs Grade 12.9 black Cap Head Screw 4x20-4pcs Lock Nuts M4-4pcs Original Name / Part No: LOS254067 Part location: Rear Lower Trailing Arms-2pcs Does this product replace a specific part or function: Yes Product major functions & usage: To offer firm support to the rear chassis, stabilize the rear dampers and allow the adjustment of the angle of the dampers. Major advantages of upgrading to this part/product: (1) Upgraded to 7075 alloy material, more sturdy and durable (2) Multiple positioning holes to adjust the tilt angle of damper. Strengthen the rear support of the car from the damper. (3) Modern hollow design helps to reduce weight with strong metallic appearance. (4) The design for steel pivot ball postion is same as original. It is "arcuated" shape,the steel pivot ball will not fall off easily. make the car more stable and smooth during driving Suitable Model: TEAM LOSI 1/6 4WD SUPER BAJA REY 2.0 - LOS05021