Sale

Ignitions and Electrical Charging Systems

Tuff Stuff

GM Alternator LS 175Amp Black

$367.70 $237.22 Save $130.48

SKU: T01U 8242NB

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Tuff Stuff Performance 8242NB is a 175 AMP alternator upgrade designed specifically for LS1 engines. It features heavy-duty copper wound coils and spike-resistant diodes, providing enhanced charging at low RPMs. This unit meets or exceeds OEM specifications and is constructed with 100% new components. It comes with a 6-groove pulley and a black finish. The product is made in the U.S.A. and includes a one-year limited warranty.

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

BrandTuff Stuff
Part NumberT01U 8242NB

Videos

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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