Dually tire air up?

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My son has a 91 D350 with simulator wheel covers. They look great but he has a hard time putting air in the tires. What's the best way to make this easier to do? There must be an easier way. Thanks

 

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Go to the nearest place that caters to big trucks and buy two valve stem extenders for the inside duels, mine are chrome and cost about $10 for both, then pick up a air chuck and air pressure guage like the big truck guys use. Worked for me. Hope this helps.

 

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Try A. W. Direct,1-800-243-3194,they sell "airmasters",flexible braided stainless hoses that attach to axle hub. Part#WS-20,$43. 95 for a set of four and they looknice!

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