The tall out ears grab the outside edges of the belt and make the 4 rib belt act like a 5 rib belt for greater traction and torque transfer.
The modified rib profile improves the contact pattern between the ribs and the belt for greater traction and torque transfer. This gives the best possible traction and torque transfer.
These features result in the most advanced supercharger pulley design available and really makes the pulley look awesome!! URD offers three different size pulleys. For a daily driven truck we recommend the 2. This is the best overall size that will give you approximately 1.
This should only be used with the highest octane fuel available in your area. The 2. This should be used with 93 octane fuel minimum or used for vehicles at high elevations. URD has proven fuel and tuning solutions available. Please review the fuel upgrade kits we offer for your vehicle. Note- In November due to parts shortages, Magnuson has assembled some of the 3. If your supercharger does not have a large nut holding the pulley in place you do not have a slip fit style supercharger pulley and this pulley will not fit.
Only logged in customers who have purchased this product may leave a review. Wade — October 27, Idler Pulley Discussion in ' 2. Post Reply. Never sit outside my Tundra while it was running so I didn't notice this until recently. My truck is very loud when it idles. It was coming from the front of the truck and sounds like something to do with the belts. Took it to the dealer and now waiting for a replacement idler pulley to come in. Too much noise with stereo, exhaust, and too much sound proofing.
Yup, a common failure of design on Toyota's part I had to swap mine too almost immediately after buying the truck once the used belt dressing burned off HulkSmurf14 , Sep 26, Miss my 82 SR5 PU sometimes. Highsierraguy , Sep 26, Did mine recently. Got it replaced under warranty. Per the tech, it would have eventually locked up and burned belts.
Spvrtan , Sep 27,
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