Alternator Underdrive Pulley

Pulleys & Belts - Alternator Underdrive Pulley
Pulleys & Belts - Alternator Underdrive Pulley

Alternator Underdrive Pulley

10 reviews
Regular price $49.99
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  • In stock, ready to ship
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By spinning the alternator slower than stock you can free up some of the HP robbed in the upper RPM bands. You can still use the stock accessory belt with this alternator pulley. Using a water pump underdrive pulley and an alternator UD pulley requires a larger belt.

Pulleys are anodized black and made from 6061 aluminum. Using aluminum allows weight savings over the factory steel pulley.

These are only compatible with the 97-03 alternators.

Customer Reviews
4.7 Based on 10 Reviews
5 ★
80% 
8
4 ★
10% 
1
3 ★
10% 
1
2 ★
0% 
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1 ★
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Filter Reviews:
MR
06/02/2022
Michael R.
United States

Underdrive Alternator Pulley

This underdrive alternator pulley is the same size as my original pulley that has been on my 2001 Monti Carlo SS since the car was new... This is disappointing....please send the one that I wanted or my money back....

RW
03/20/2020
RIckey W.
United States United States

Power

The product was great the service was great and the shipping was fast

RS
03/24/2017
Robert S.

It add ah lil power

It add ah lil power when rpm gets to like 4k

GG
09/14/2016
Guest G.

Pulleys

Purchased alternator & water pump pulleys claim of a couple of horses top end. Engine at machine shop. Many many ZZP components. Hope to get a few runs in b4 snow flies in the midwest

KR
05/04/2016
Kenneth R.

Looks great

Well it's a pulley. Not much more to it than that. It looks good and installation was a breeze.

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