ATI Supercharger Pulley for CTS-V LSA 09-15 8.46in 8 Groove 5% OD

ATI Supercharger Pulley for CTS-V LSA (2009–2015) — 8.46" 8-Groove, +5% OD Upgrade your LSA-powered CTS-V with this precision-machined ATI supercharger pulley. Designed for 2009–2015 CTS-V LSA engines, the 8.46" diameter pulley with 8 grooves and a +5% outside diameter increases boost response while preserving drivability and long-term reliability. Fitment: Cadillac CTS-V (LSA) 2009–2015 Diameter: 8.46 inches Grooves: 8-rib configuration for OEM belt compatibility Offset: +5% outside diameter to raise boost and torque Manufacturer: ATI — high-strength, balanced construction Precision balanced for smooth operation, this pulley delivers consistent increased boost without extensive tuning. Ideal for street performance enthusiasts who want improved throttle response, stronger mid-range power, and reliable daily driving behavior. Why choose ATI: Engineered for durability and exact fitment, ATI pulleys are a trusted upgrade for modern supercharged engines. Easy bolt-on installation with OEM-style belt engagement makes this a practical performance enhancement.