DSX Tuning LSA/LT4 Lower Pulley

These lower pulleys are compatible with ATI part numbers 918854 (LSA) and 918856 (LT4 Camaro/CTS-V only) damper. They are machined from 6061 aluminum and anodized for protection. The pulleys are available in multiple sizes: 230mm (9.06") [LSA 15%/LT4 12%] 235mm (9.25") [LSA 18%/LT4 15%] IDLER RELOCATION BRACKET REQUIRED FOR LSA 240mm (9.45") [LSA 20%/LT4 17%] IDLER RELOCATION BRACKET REQUIRED FOR LSA 245mm (9.65") [LSA 23%/LT4 20%] IDLER RELOCATION BRACKET REQUIRED FOR LSA 250mm (9.84") [LSA 25%/LT4 22%] IDLER RELOCATION BRACKET REQUIRED FOR LSA Note: The 9.84 can interfere with the sway bar on extreme suspension geometry events in LT4 ZL1s/CTS-Vs.