King Performance 3.6" Billet Alternator Pulley | Air-Cooled VW | USA-Made 6061 Billet, 2-Yr Warranty

King Performance 3.6" Billet Alternator Pulley

Eliminate the belt hop and inconsistency of stamped-steel pulleys with the King Performance 3.6" Billet Alternator Pulley. Engineered for high-performance air-cooled engines and 100% manufactured in the USA from premium U.S.-sourced materials.

CNC-machined for perfect concentricity, it provides a more stable belt path at high RPM and a clean, professional look in the engine bay.

Vehicle Fitment

• Air-Cooled VW (Type 1): Beetle, All Years

Key Features & Benefits

• USA Made: Manufactured in-house from 100% U.S.-sourced materials.
• Precision Machined: CNC-cut from 6061-T6511 billet aluminum for strength and reduced rotational mass.
• Hard-Anodized: Hard black anodizing for superior wear resistance against belt friction.
• Optimal Sizing: 3.6" diameter for reliable charging and fan speed.

What's Included

• 3.6" Billet Alternator Pulley
• 7075-T651 Nut: Hard black anodized.
• 6061-T651 Clamp Washer
• Precision Shims: .005" thick, for belt alignment.

Technical Specifications

• Diameter: 3.6"
• Material: 6061-T6511 billet aluminum
• Finish: Hard black anodized
• Origin: Made in the USA
• Warranty: 2 years from date of purchase

Frequently Asked Questions

• What's included? The pulley, a 7075-T651 hard-anodized nut, a 6061-T651 clamp washer, and .005" shims.
• Is there a warranty? Two years from date of purchase on all King Performance billet components and fasteners.
• Will the anodizing fade? Some color change over time from engine heat and UV is normal and does not affect performance.

Explore Related Categories

Engine, Engine Parts, All Air-Cooled VW