***Only for Naturally Aspirated applications, not supercharged applications***

Weistec Engineering complete set of CNC machined billet aluminum idlers. The factory Mercedes parts are plastic and have been a known problem for many naturally aspirated vehicles. This is a great solution for long term use in stock to highly modified vehicles.

INCLUDES:

• 1x 62mm grooved idler
• 1x 76mm idler
• 1x 54mm idler
• 1x 65mm idler

KEY FEATURES:

• CNC machined 6061 aluminum

• Hard anodized to military spec

• Direct replacement/bolt in for M156/M159

• Utilizes factory belt

• 100% serviceable

• Great for use in harsh environments

• High quality bearings