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These lower pulleys are compatible with ATI part number 917315 for the C7 LT5 damper. They are machined from 6061 aluminum and anodized for protection.

Each pulley includes six titanium T45 flat head screws for securing to the ATI damper.

The pulley is available as a 230mm (9.06") which is a 12% overdrive compared to the factory lower. The factory serpentine belt tensioner pulley will interfere with oversized supercharger pulleys.

 A clearanced 6061 tensioner pulley is included.

DSX 12% Overdrive Lower pulley LT5 ZR1

Out of Stock
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