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Strange Engineering

GM 1978-1987 G-Body 9" Ford Bolt-In Rear End
Pro Iron Center With Truetrac & Standard Gear
Includes Housing & Axle Package

Rear End Assembly
Example only as there are many possible combinations

A complete 9″ cost is determined by the sum of it’s components
It’s a combination of the housing, axle package and center section
Ford 9″ Bolt-in Housing For GM G-Body
Choice of width and housing ends

Pro Race Axle Package – P1008
Axles, bearings, retainer plates, and wheel studs

Pro Iron Center Section – PRF105
Lightweight steel spool with standard gear with choice of ratio

Professionally welded and assembled


Strange HD Ford 9″ GM G-Body Housing
Custom widths available at no additional charge

Strange HD Ford 9″ GM G-Body Housing
• Upper mounts raised 1.125″ to provide additional traction
• OEM lower control locations with multiple height mounting holes
• Additional holes enhances chassis tuning abilities
• Factory .500″ pinion offset to passenger side
• Custom widths available at no additional charge

• Monte Carlo
• Regal
• Grand National
• Grand Prix
• Cutlass & 442
• Hurst Olds

• Malibu
• Lemans
• El Camino

Center Housing – H1110
• Constructed from .141″ mild steel
• Heavy duty .282″ thick face plate
• Internal gussets provide rigidity and support axle tubes
• Slots allow exceptional weld contact of housing to tubes
• Extended cover provides clearance for 9″ & 9 1/2″ gear sets

Fill & Drain plugs
• Facilitate fluid changes
• Allows ring gear inspection

• DOM 1026 steel
• 3.00″ OD x .250″ wall thickness
• Brake line tabs

Vent – H1112B
• Prevents build-up of internal pressure
• Ensures sealing integrity

Upper Control Arm Mounts
• Billet one piece heavy duty steel construction
• Will not flex like two piece plates
• Raised 1.25″ for additional traction

Lower Control Arm Mounts & Spring Cups
• Lower control arm mounts with multiple bolt hole locations
• Provides greater chassis tuning capabilities

Housing Ends
• Forged steel
• Choice of Strange end

Professionally Welded
• Jig welded to ensure proper alignment
• Tubes internally & externally welded to housing
• Provides maximum support & rigidity
• Exceptional weld quality


Pro Series Iron 9" Ford Center Section
With Treutrac Differential & 1350 Series Yoke

Part Number: PRF120

• Professional assembly
• Grade 8 ring gear bolts
• Shipped in protective container

Pro Nodular Iron Case – N1905 / N1906
• 8-10% stronger material than factory nodular iron
• Critical areas heavily reinforced
• Chrome moly main caps
• Solid steel adjuster nuts

Daytona Pinion Support – N1914
• Nodular iron
• Stronger than plain cast iron
• Larger bearings than OEM stock support

1978-1987 G-Body, 9" Ford, 31 Spline, Truetrac, Strange Engineering

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