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Garage Sale - 1965-1991 GM 525 Manual Steering Box w/ 3/4-30 Input Spline
Garage Sale - 1965-1991 GM 525 Manual Steering Box w/ 3/4-30 Input Spline

65-91 GM 525 MANUAL BOX

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Garage Sale - 1965-1991 GM 525 Manual Steering Box w/ 3/4-30 Input Spline
65-91 GM 525 MANUAL BOX
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Part # UP81347
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Speedway Motors to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item UP81347 is made to order. It will be shipped from our warehouse when it is produced.

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This is Garage Sale priced because it has been mocked up and returned, it will need to be adjusted for its application.

This Saginaw manual steering box fits many GM applications from 1965-1991 and probably many more. It accepts either our universal pitman arm (702-2940) or your stock GM arm (small style, like our 910-32552). Box has a 25:1 ratio (6.25 turns lock-to-lock) with a 3-13/16" long input shaft with 3/4" 30-splines.

  • Input shaft is 3/4"-30 spline
  • 6.25 turns lock to lock
  • 25:1 ratio
  • If you turn the input clockwise, the output also turns clockwise.
  • Stock specifications on this gear refer to it as 6 rounds lock to lock for a 24:1 ratio.
  • 36 Spline
  • 1.058 Diameter Top of Splines
  • 1.100 Diameter Middle of Splines
  • 1.124 Diameter Bottom of Splines

Note: Steering box is not adjusted at the facotry and therefore, it is necessary that the steering box be adjusted upon installation per the instructions as provided on the PDF instruction sheet.

1965-1991 GM Manual Steering Box Installation Instructions (PDF)

Notes

  1. This box can fit a lot of GM cars, plus it can work in a variety of street rod applications. When mounted behind the axle with the pitman arm forward, it steers like a Vega box. In many GM cars, it is mounted in front of the front suspension, with the pitman arm to the rear. Works well on vehicles weighing over 2500 lbs.

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

Specs

Material Type:
Steel
Sold in Quantity:
Each
Finish:
Painted
Input Shaft Spline Count:
30
Turns Lock to Lock:
6.25
Overall Width:
4.50
Overall Length:
11.13
Input Shaft Length:
3.81
Input Shaft Diameter:
.75
Some parts are not legal for use in California or other states with similar laws/regulations

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