Valair 1.375" Billet Input Shaft Upgrade Kit VA1.375B
1994-2003 Dodge 5.9L Cummins NV4500
1-3/8" Made in USA 4340 Billet Input Shaft Upgrade. Complete upgrade kit for NV4500 with 1-1/4" Input Shafts.
Required for use with Valair Dual Disc Clutches.
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