M113K Supercharger Bolt Kit The Failures occur simply for

The Failures occur simply for the fact that the OEM fitting is made from plastic that becomes brittle with age and heat cycling

This HVAC fitting is a very Common Failure point on many M112/113 V6/V8 W203 and W209 Chassis among others

Advanced Gear Geometry minimizes parasitic drivetrain losses

A common misconception is that a Torsen-Style Differential is useless under a no-load situation (e

M113K Supercharger Bolt Kit The Failures occur simply forFactory Spec M113K Supercharger Pulley Bolt, 12. 9 Hardened Tool Steel with Anti corrosion Black Anodized coating. You can use this on Any M113K motor with Factory Supercharger. If you are pairing with Factory style Clutched Pulley, use both Bolt AND Washer. If you are pairing with Fixed style Pulley, use ONLY Bolt.