Perrin Lightweight Crank Pulley

2015-2018 WRX / 2013+ FR-S / BRZ / 86


SKU: ENG01-PARENTWe price match!


A true weight savings that can be felt with every blip of the gas pedal. Lighten up your rotating engine parts to free up power.
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A true weight savings that can be felt with every blip of the gas pedal. Lighten up your rotating engine parts to free up power.

Decreases Rotational Mass

The PERRIN Performance Crank Pulley weighs just 1.2 lbs, which is 3.7 pounds lighter than the stock OEM crank pulley. This reduction in weight from the crank shaft is equal to removing more than 100 lbs of vehicle weight! Throttle response, horsepower and torque are all increased with this easy to install part.


Designed to look mean and fast, the PERRIN Performance crank pulley has precision machined grooves which tightly sync with all OEM and aftermarket belts.


The PERRIN crank pulley is machined from 6061T6 billet aluminum, anodized black and laser etched for increased belt life and a precision fit.

5 Year Warranty

PERRIN Performance warrants to the original purchaser, all PERRIN products to be free from defects in material and workmanship within a sixty (60) months period from the date of purchase. *Some exclusions apply


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6 customer reviews

Average rating
(based on 6 reviews)
Ease of Installation
Fit / Quality
Overall Satisfaction
  1. Excellent

    By Joshua October 27, 2019

    When holding the Perrin pulley and the stock pulley, you can feel a HUGE difference in weight. I mean HUGE. So glad i purchased this product. Perrin never disappoints!


    By Thiago May 16, 2017

    Definitely noticed the acceleration difference. I love the way it looks, too! Matched with the Perrin water pump pulley. @_DJ_THIAGO @THATDAMNWRX

  3. Amazing difference

    By Steve-O April 13, 2017

    Well worth the cash on this. Easy install with the right tools. Dresses the engine bay up and revs way fast. This thing is about 3 lbs lighter than the stock.... of hunk I'm joking hold stock in one hand and Perrin in the other. Engine does run a little different due to the lack of harmonic balancing from stock to Perrin.

  4. looks and feels noticeably nice

    By Brad July 29, 2016

    looks and feels noticeably nice , def felt a difference after install wasnt huge but it was there

  5. Excellent

    By Taylor October 4, 2015

    Great product. Super easy install and you can definitely see and feel it rev faster just from this little mod.

  6. Noticeable Difference

    By Leland August 10, 2015

    Easy install with the right tools and the engine builds revs noticeably quicker

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