Hellcat Supercharger Hemi Boost Pulley 3.20" (81.28mm) Black Aluminum
$137.95
In stock
SKU
HZ-7320-PBK
Precision CNC Machined Billet Aluminum 5 Rib Serpentine Pulley – Increase Boost from 1- 2 lbs Gain
Take your HEMI’s performance to the next level with the 3.20" (81.28mm) 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- 2 lbs of additional boost over stock.
Pulley Size: 3.20" (81.28mm)
Boost Gain: Approximate increase of 1- 2 lbs (varies by engine size and modifications)
Fitment: Compatible with 5.7L, 6.1L, and 6.4L HEMI engines
Material: CNC machined billet aluminum
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
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.
Take your HEMI’s performance to the next level with the 3.20" (81.28mm) 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- 2 lbs of additional boost over stock.
Pulley Size: 3.20" (81.28mm)
Boost Gain: Approximate increase of 1- 2 lbs (varies by engine size and modifications)
Fitment: Compatible with 5.7L, 6.1L, and 6.4L HEMI engines
Material: CNC machined billet aluminum
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
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.
| Engine | Gen III HEMI |
|---|---|
| Color | Black |
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