These lower pulleys are compatible with ATI part number 917315 for the C7 LT4 damper. They are machined from 6061 aluminum and anodized for protection.
Six titanium T45 flat head screws are available as an option for securing to the ATI damper.
The pulleys are available in three sizes:
- 230mm (9.06") [LT4 13%]
- 240mm (9.45") [LT4 18%]
- 250mm (9.84") [LT4 23%]