Precision CNC Machined Billet Aluminum 5 Rib Serpentine Pulley – Increase Boost from 1.5- 2.5 lbs. Gain
Description:
Take your HEMI’s performance to the next level with the 3.10" (78.74mm) Hellcat Supercharger Pulley. Expertly CNC machined from high-strength billet aluminum and finished in stealth black, this pulley offers a durable, performance-ready upgrade. Designed for a seamless fit with stock 5-rib serpentine systems on select Mopar HEMI engines, it delivers an estimated 1.5- 2.5 lbs of additional boost over stock.
Key Features:
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Pulley Size: 3.10" (78.74mm)
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Boost Gain: Approximate increase of 1.5- 2.5 lbs (varies by engine size and modifications)
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Fitment: Compatible with 5.7L, 6.1L, and 6.4L HEMI engines
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Material: CNC machined billet aluminum
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Finish: Durable Black electrophoretic coating (e-coating) offers excellent corrosion protection, smooth uniform coverage—even in hard-to-reach areas—and a sleek, long-lasting finish
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Pulley Type: 5-rib serpentine design for factory-style integration
Compatibility:
✔️ Works with Metco Motorsports Hellcat Supercharger Pulley Hub
❌ Not compatible with ZPE Inc. Griptec Hellcat Supercharger Pulley Hub
Note: Actual boost gain will vary depending on engine setup and supporting modifications. Professional installation and tuning are recommended for best performance and reliability.