Delphi 670 Gearbox for GM Classic Cars - 4 Bolt, 14:1 Ratio

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Product Details

The smaller and lighter bolt in replacement for the Saginaw 800 gearbox. A good option if you are running a Big Block and have header clearance issues. Choose the fitting style that matches your needs (Seat kit installed for Pre 1980 inverted flare hoses, No seats installed for 1980- Present o-ring style hoses, or -6 AN fittings).


  • 14:1 Ratio
  • 4 bolt mounting pattern
  • 3/4-30 spline input shaft
  • 35# Valve

Fitting Options

  • Inverted Flare for Pre-1980 vehicles
  • O-Ring for 1980-present vehicles
  • -6AN (+$30)


This product will be shipped between 3-5 business days from when order is placed.

SKU: GB-670-14