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Your cart is empty.The stock 1 ¼” input shaft in the 1994-2003 NV4500 is weak and prone to breakage. This input shaft upgrade kit which includes everything you need to strengthen your NV4500 including a heavy duty input with a 1.375” dia. clutch spline and heavy duty bearing retainer specifically designed to fit the 1.375” input.
Matthew Loew
Reviewed in the United States on April 12, 2025
For those of you saying this doesn’t fit your clutch, you need the nv5600 HD clutch that’s the whole point of this upgraded part.1 1/4 stock size1 3/8 upgraded size fits nv5600 clutch
Customer
Reviewed in the United States on December 30, 2023
This was a complete waist of $200. Got it all installed and found out the splines are bigger wont fit my dodge clutch. Just take your $200 and set it on fire it will be less frustrating.
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