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Product Summary

Rear Position, 31 Axle Splines, Semi-Floating Axle Type

  • Designed to replace the original GM X-Body rearend housing
  • Compatible with the stock multi-leaf spring rear suspension found in your 1968-1972 Chevy II / Nova / Ventura
  • New billet steel housing ends with oil seal surface ("Big New Ford" Torino-style)
  • 3" O.D. DOM 3/16" wall axle tubes, 1/2"-20 wheel studs, 2" long
  • 5 x 4-3/4" Wheel bolt pattern, 31-spline axles w/ bearings, studs & retainers

Comes as a Kit

Key Specs

PositionRear
Axle Splines31
Axle TypeSemi-Floating
Brakes IncludedNo
Wheel Studs IncludedYes

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Speedway Motors 99026872 Details

These bolt-in rear axle packages are designed to replace the original GM X-Body rearend housing and are compatible with the stock multi-leaf spring rear suspension found in your '68-'72 Chevy II/Nova/Ventura. The major advantages gained by upgrading to a Ford 9" axle include a) greatly increased strength (reliability), b) the variability of the housing to accept almost any gear ratio from 2.47:1 to 6.14:1, c) a drop-out third member for ease of service, and d) steel axle retainers keep the axle/wheel in place in the event of axle failure. Here are the features you'll find in our fabricated Ford 9 Inch axle kits:

  • New stamped steel housing center piece
  • New billet steel housing ends with oil seal surface ("Big New Ford" Torino-style)
  • 3" O.D. DOM 3/16" wall axle tubes
  • 31-spline axles w/ bearings, studs & retainers
  • 1/2"-20 wheel studs, 2" long
  • 5 x 4-3/4" wheel bolt pattern
  • Jig welded suspension brackets for stock style multi-leaf suspension
  • Built to stock width

Add third member and brake kit of your choice (both sold separately) to complete your installation.

Speedway Motors 99026872 Specifications

KEY SPECS
MFG. Part #99026872
BrandSpeedway Motors
PositionRear
Axle Splines31
Axle TypeSemi-Floating
Brakes IncludedNo
Wheel Studs IncludedYes
Wheel Bolt Pattern (in.)5x4.75 in.
FinishNatural
Tube O.D.3"
Housing MaterialSteel
Bolt Pattern5 on 4.75"
Hardware IncludedYes
Rotors IncludedNo
GENERAL
Bearings IncludedYes
Seals IncludedYes
Differential IncludedNo
Ring Gear Size9 Inch
Sold in QuantityKit