HARDRACE REAR TRAILING ARM BUSHING ACURA INTEGRA DB6 DB7 DB8 DB9 DC1/ DC2 HR6106 Hardrace Trailing Arm Bush are made with high strength and anti-crank rubber material. The viscocity between the rubber and metal is about 2000kgs. The hardness rating is about 150% higher than OE rubber bushings. It provides a solid steering response and will resist side incline while cornering at high speed.