3UR-FE has 8 rib belt/pulleys

[turboandrew]

For those of you looking for 8 rib pulleys for superchargers, you might want to check out the accessory pulleys on the 3UR-FE (the 2007+ Tundra 5.7). Those engines have the 8 rib pulleys stock. Perhaps these pulleys could be used on the 1UZ accessories. I wonder if they did the 8 rib pulleys in anticipation of the TRD supercharger.

BTW, the front of the heads are significantly wider than the 1UZ motors, certainly to make room for the chain driven cams. The engine bay in the new Tundras with 3UR-FE is actually pretty cramped.