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Old 09-20-2015, 03:47 PM   #1
JAYSON
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Default ih np205 input spline

Looking for the spline count for the 205 input off the top of their heads?
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Old 09-21-2015, 06:10 AM   #2
ihpartsjeff
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Default Re: ih np205 input spline

Should be 32 spline on all shafts.
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Old 09-22-2015, 07:47 PM   #3
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Default Re: ih np205 input spline

Thanks Jeff gathering some parts to do a doubler I will see ya at the show
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Old 02-23-2016, 04:58 PM   #4
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Default Re: ih np205 input spline

The output is 32 spline
the input is 10 spline.
You can replace the input with another shaft
that is what I did.
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Old 02-25-2016, 08:48 AM   #5
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Default Re: ih np205 input spline

You will like your doubler & wish you did it sooner.

I'm not sure about the output/set up on your truck, but I'd recommend a 241/205 over a 203/205.

Lower total (5.4:1 vs 4:1), plus an extra gear option: 2:1, 2.7:1, & 5.4:1.
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