Tuff Stuff Performance Alternator - 12V - OEM - 6 Rib Serpentine Pulley - Black Powder Coat - GM AA0714AH2U64 there is a mechanical advance

there is a mechanical advance assembly that is mounted on top of the distributor shaft making it easy to adjust the advance to meet your needs

Silicon coated on one side and aluminized for heat reflection on the other

Retro Fit Applications Only

Mild to stock exterior exhaust tone

All BBK mass air meters are CNC Machined large bore aluminum housings with a custom BBK calibrated electronic sensor placed on top to accurately measure air flow for accurate air fuel ratios and maximum performance

Tuff Stuff Performance Alternator - 12V - OEM - 6 Rib Serpentine Pulley - Black Powder Coat - GM AA0714AH2U64 there is a mechanical advanceAll Tuff Stuff alternators are hand built in Cleveland, Ohio and are tested to meet or exceed OEM specifications. All Tuff Stuff alternators are made from 100% new components and carry a one year limited warranty. Tuff Stuff has alternator applications for virtually all muscle cars, hot rods, customs and light trucks in just about every finish imaginable. Many enthusiasts prefer our clean, simple 1 wire alternator option which features a low idle cut