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Currie 1968-72 Nova and GM X-Body 9 In Rearend Kit w/Mono Leaf Springs

Currie 1968-72 Nova and GM X-Body 9 In Rearend Kit w/Mono Leaf Springs

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What's in the Box

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Now you can have the strength and serviceability that Ford drivers have enjoyed for years underneath your GM vehicle. Currie Crate Rearends are built using the stock overall width, pinion offest, and mounting points of your original rear axle housing, making it a 100% bolt-in upgrade.

  • All new 9-Plus heavy duty housing
  • Replacement fit for 1968-72 Nova and GM X-Body chassis
  • Heavy duty reproductions of the GM mono leaf spring pads installed
  • 31 spline performance axle shafts
  • 60" width
  • Torino-style late model large bearing housing ends
  • Third member studs installed
  • Axles drilled for stock 5 on 4-3/4" wheel bolt pattern
  • 7/16"-20 wheel studs pressed into axles
  • 1/4” thick heavy duty bearing retainer plates
  • Tapered Timken style wheel bearings pressed onto axle

Note: Works with Speedway rear disc brake kits, 11" Ford Explorer disc brakes, and Wilwood disc brakes. Third member sold separately.

How to Measure Your Housing Tech Tip (Link)

To learn more about Currie's 9+ rearends, check out these Frequently Asked Questions on 9-Plus Housing (Link) 

Installation Notes:

When installing new axles in rearends with posi traction differentials, be sure to install the driver's side axle first to keep the splines properly aligned.  Failure to do so may move the two splined gears out of alignment, and it may be difficult to install the driver's side axle properly if the passenger side axle is already installed.

If installation of passenger side axle is done first it may require two people when installing the driver's side axle, with both parties rotating reach axle until splines are in line and the driver's side axle fully sides into the housing.

To ensure you get the most out of your new 9 Inch components, Currie recommends that you perform a proper break-in process:

  • Use a name brand mineral-based gear oil, preferably 85w140 (Extremely high quality synthetic oils may be used once break-in process has been successfully performed)
  • Place vehicle on jack stands and let the rearend spin while the vehicle idles - run transmission in both forward and reverse periodically throughout the process
  • Continue to run the rearend until the pinion gets hot (place hand on bottom of the differential housing to verify this)
  • Proper break-in allows:
    • The ability to install new axles and hit the track the same day without worry
    • Extended life for rearend components
    • Keeps the quality and life of your gear oil

Note: If you find that your rearend is running somewhat "tight" be sure to add Currie's 9+ Friction Modifier to "loosen up".  If a more aggressive performance is desired, Friction Modifier is not needed.

 

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Product Q&A

1 questions : 1 answers

1 answers

If i get this rear end i will also be looking at getting a brake kit for it as well. I need to know what the back spacing is so i know which brake kit to order. I am looking at brake kits PN# 91031933 or PN# 91031934.

Big Dawg
Fostoria, OH
June 30, 2015

If i get this rear end i will also be looking at getting a brake kit for it as well. I need to know what the back spacing is so i know which brake kit to order. I am looking at brake kits PN# 91031933 or PN# 91031934.

Answers

July 01, 2015
Eric
Expert
If you want to use a weld on universal type brake kit we suggest the 91031934 with 1.94" backspace brake hats. We also offer bolt a bolt on brake kit 91031921 for this rear end.
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