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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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1976 highboy

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Old Dec 25, 2025 | 09:56 PM
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1976 highboy

Hello.so I bought a 1976 ford f250 4x4 highboy with np435 trans np205 2 speed transfer case dana 60 rear dana 44HD. Front axle big hubs. 360 cider. My question is on the rear leaf springs which are 2 1/4" i have the auxiliary springs but no spacer plate.can someone help me out with numbers or were to purchase spacers at thanks in advance.ed
 
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Old Dec 26, 2025 | 12:31 PM
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Where does the spacer you want go?
 
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Old Dec 26, 2025 | 02:22 PM
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Between lower 9 leaf springs and auxiliary leaf.it has to be 2 1/4"
 
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Old Dec 26, 2025 | 02:29 PM
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That doesn't seem right. I think I have the same pickup as you, a '76 high boy with the 7700 GVW and I know it's unaltered. the spacer between the top spring and the overload is 1" .

I doubt they're reproduced, but it should be easy to find used ones or just fab a pair of them.
 
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Old Dec 27, 2025 | 07:13 AM
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I’m guessing he’s talking about the width, and he can only find the 3” wide ones?
 
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Old Dec 27, 2025 | 07:24 AM
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Approximate dimension. 5" long x 2 (or 2-1/16" max) x 1" thick as 440 stated. Shouldn't be too hard to find originals from folks parts trucks as its not a sought after part. Simple to make yourself or have metal fab shop make one. Probably requires center hole for alignment and retention.

 

Last edited by Mark8man; Dec 27, 2025 at 07:50 AM.
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Old Dec 27, 2025 | 08:17 AM
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Make two of them.
 
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Old Dec 27, 2025 | 09:56 AM
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I've never seen an F250 with 2 1/4" wide springs. must be the lightest GVW.

The spacer would be easy to make.
 
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Old Dec 27, 2025 | 12:34 PM
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250

i believe the rear springs at 21/4" is common for a highboy 3" on others. i had to check myself. fronts are 3"
 
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Old Dec 27, 2025 | 12:38 PM
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thats it thanks for the come back
 
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