Save 10% on STM Products with code STM10

STM 10% Under-Driven Alternator Pulley with Raised Guides for Evo 4-9

STM Tuned Inc.


Vehicle Fitment:
1996-2006 Mitsubishi Lancer Evolution IV V VI VII VIII IX

The STM 10% Under-Driven Alternator Pulley with Raised Guides was originally designed to help stop the belt from jumping off at high RPM. With the amount of requests we've had for this product from the racing community, we are very pleased to announce the release! This new revision makes the pulley 10% under-driven and lighter than stock- lightening the load on your alternator. Fits all the Evolution IV-IX models and works with OEM and stock replacement belts.

• Billet Aluminum
• Hard Anodized to help resist corrosion
• Lighter than OEM
• 10% under-driven
• 10% less wear on your alternator
• Works with stock belts
• Raised belt guides
• USA Made

STM Products are made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

(1) STM Alternator Pulley

© All content is property of STM Tuned Inc

© All images are property of STM Tuned Inc

STM Boost Reward Points Earn 1% back on all website purchases! Sign up today!

Customer Reviews

Based on 2 reviews
Awesome Pullyes

Items arrived in excellent condition. The installation process is easy and straightforward. More items for the CP9A please! :)

Awesome product.

Got this a in hope of not throwing a belt this year. Quality is top notch as always from STM. Install was simple and straight forward.

Awesome, Josh! This should do the trick :) Thank you for shopping with us and leaving an awesome 5-star review.

Cancer and Reproductive Harm