The March Performance 121-08 is a precision-machined steel alternator pulley designed to provide improved durability, belt grip, and long-lasting performance. It's finished in a protective powder coat to resist corrosion and wear, making it ideal for both street and performance applications.

Key Features:

• Made from high-strength steel for maximum durability
• Black powder-coated finish for corrosion resistance
• 6-rib serpentine groove design
• Provides better belt traction and improved alternator performance
• Precision-balanced for smooth operation

Specifications:

• Pulley Type: Alternator Pulley
• Material: Steel
• Finish: Powder-coated (black)
• Grooves: 6-rib serpentine
• Application: Designed for specific serpentine drive alternator setups (verify fitment before purchase)

Applications:
Ideal for custom builds, muscle cars, or performance vehicles running serpentine drive systems. This pulley enhances the reliability and efficiency of your alternator drive system while adding a clean, finished look to your engine bay.