100 AMP Alternator 
Natural Finish, 1 Wire

GM 10 SI; w/ Internal Regulator, V-Pully, & Ext. Fan
w/ Internal Regulator, V-Pulley, & Ext. Fan
  • 100 AMP Model
  • GM 10si 1 Wire Style with Internal Regulator
  • External Fan Style
  • Machined Pulley
  • Natural Finish
  • 100% New
  • 100% New Components
PART# 66434
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PROFORM's 100 AMP Alternator is a 1-wire, GM 10 SI Case Style complete with Internal Regulator. The External Fan Style Alternator features a Machined Pulley, Natural Finish and is NOT made with re-man componets. Each alternator is produced by highly specialized machines, assembled by highly trained personnel using dedicated jigs and equipment - 100% New. Sold individually.

  • A manufacturing break-through has enabled PROFORM to offer 100% NEW alternators with the same affordability as others' re-built models!
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