METCO Underdrive Alternator Pulley
2003-2004 Mustang Cobra

Underdrive Alternator Pulley

Our underdrive alternator pulleys are CNC-machined from billet aluminum and black anodized for long-lasting surface protection. The pulleys are sized to maintain proper alternator speed when used on 2003 and 2004 Mustang Cobras equipped with the Metco Motorsports Interchangeable Crank Pulley Kit.

These alternator pulleys install as a direct replacements for the factory alternator pulley and require no modifications or special tools.An underive alternator pulley is recommended when using our +4 lb ring, +6 lb ring, +8 lb ring, and +10 lb ring. Each boost level requires a specific alternator pulley. Please make your selection below.