Designed to fit 1971-86 GM vehicles requiring an internal regulator. Simple one wire / OEM hookup with either 100 or 140 amp output. Manufactured with either single v-belt or six groove serpentine pulley and offered in as cast, chrome, polished or black powder coat finishes. Made in the USA!

• 100-Amp, One-Wire / OEM Hookup, 12 Clocking, Single V-Belt Pulley, As-Cast Finish

Alternator – Factory Cast PLUS – 100 amps – 12V – 1-Wire – Single V-Belt Pulley – Aluminum Case – Natural – GM – Sold as Each – Brand: Tuff-Stuff – Part Number: 7127D12

Specifications

Brand Tuff Stuff Part Number 7127D12 Product Line Factory Cast PLUS Clocking 12 Voltage 12V Amp Rating 100 Amp Internal/External Regulator Internal Wiring Connection OEM | 1-Wire Pulley Included Yes Pulley Style V-Belt Pulley Grooves Single Groove Pulley Material Steel Pulley Color Cadmium Pulley Finish Plated Case Material Aluminum Case Color Natural Case Finish Natural Quantity Each