Supercharger Pulleys

Supercharger pulleys are one of the most direct ways to adjust boost pressure and tailor the power delivery of your forced induction setup. This collection brings together a range of pulley options—from smaller diameters that spin the blower faster for more boost, to larger or stock-size pulleys that maintain factory-like characteristics—so you can match the pulley to your goals, fuel system, and supporting modifications.

When selecting a supercharger pulley, pay attention to diameter, material, and installation method. A smaller pulley increases blower RPM, generating more boost and often requiring a smaller belt. Most are constructed from hard-anodized aluminum or steel for durability and precision balance. Some use a press-fit design, while others are modular quick-change systems that simplify swapping without a puller.

  • Directly controls boost pressure by changing blower speed
  • Constructed from hard-anodized aluminum or steel for longevity
  • Available in press-fit and modular quick-change styles
  • Pair with the correct belt length and engine tuning

Before ordering, confirm the pulley’s shaft size and fitment for your specific supercharger unit. You’ll want to pair the new pulley with an appropriate-length belt and consider any necessary tuning adjustments. Whether you’re chasing a mild bump in boost or building a high-boost monster, the right pulley is a critical piece of the puzzle.

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KraftWerks 105mm 7-rib supercharger pulley featuring a 6-bolt mounting pattern and ribbed belt surface.
$91.43 $96.24
-5%
Out of stock
KraftWerks 30mm supercharger belt and replacement pulley set for Scion FR-S and Subaru BRZ track pack upgrade
$410.96 $432.59
-5%
Out of stock
Black anodized 6-rib 3.00 inch diameter Edelbrock E-Force supercharger pulley

$54.95

Out of stock

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