Drivetrain› 4x4 Driveline Components

Valair Inc

Import 1.250in Input Shaft Kit

$278.25

SKU: V01R VA1.250K

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This NV4500 1.25-inch input shaft kit is intended for standard Dodge NV4500 configurations using the smaller diameter input shaft. It includes necessary components for proper installation and operation, making it suitable for stock replacements or mild upgrades. Perfect for restorations or maintenance work where factory-style drivability, smooth engagement, and dependable performance are required.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandValair Inc
Part NumberV01R VA1.250K

Videos

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South Bend Input Shaft Upgrade Install
1995 Cummins swap GM to Dodge NV4500 input shaft conversion

1995 Cummins swap GM to Dodge NV4500 input shaft conversion
How NOT to Swap Input Shafts NV4500 - Input Bearing and Race Removal and Installation!

How NOT to Swap Input Shafts NV4500 - Input Bearing and Race Removal and Installation!
Dodge NV4500 1-3/8 input shaft

Dodge NV4500 1-3/8 input shaft
New NV4500 Transmission

New NV4500 Transmission

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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