Pulley & Hub Kit — Spec Sheet
Engineered for Hellcat/Redeye/Demon/TRX platforms, this billet pulley & hub system delivers superior boost stability, strength, and fast ratio changes compared to press-fit OE assemblies.
Technical Specifications
| Hub Material | Chromoly steel, CNC-machined, plated |
| Pulley Material | Billet aluminum, hard anodized |
| Diameter Options | Multiple sizes available (application-dependent) |
| Rib Options | 8-rib and 10-rib configurations |
| Runout Control | Precision concentricity and tracking |
| Balancing | High-RPM balanced for stable operation |
| Compatibility | Hellcat/Redeye/Demon/TRX/Trackhawk/Durango SRT |
| Weight Class | Optimized for strength-to-mass performance |
About the Product
The modular hub allows pulley swaps without pressing off the factory snout—change ratios in minutes while protecting bearings and shafts.
An interference-fit keyed interface locks alignment and eliminates pulley walk for repeatable boost and extended belt life.
Hard-anodized pulleys and a nickel-plated hub resist heat and corrosion in demanding engine bays, supporting reliable performance from street to track.
