70 AMP Alternator 
Chrome Finish, 3-Wire

GM 10 SI; w/ Internal Regulator, V-Pully, & Ext. Fan
  • 70 Amp Model
  • GM10si Style for 73-86 Model Years with Internal Regulator
  • Chrome
  • 100% New
  • Included Pulley
  • 100% New Components; Not Re-man or Refurbished
  • Included Pulley
  • Sold Individually
PART# 66445N
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PROFORM's 70 AMP Alternator is a 3-wire, GM 10 SI Case Style complete with Internal Regulator. The External Fan Style Alternator features a Machined Pulley, Chrome 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 our popular re-built models!
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