Drivetrain Drive Shafts and Components

NEAPCO INC

Stub Shaft

$206.93

SKU: N02T N6-40-521

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The NEAPCO INC N6-40-521 is a driveshaft stub shaft designed for precise fitment and reliable performance. It features a 3.750-inch butt diameter and a 4.000-inch length of spline. The shaft has a spline outer diameter of 2.500 inches with 16 teeth and a tubing diameter and wall of 4.000 x 0.134 inches.

It is constructed from steel and is part of the Series 1710.

Fitment

Fitment Guaranteed

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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

BrandNEAPCO INC
Part NumberN02T N6-40-521

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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