Increased Hardness Factory-Spec M156 Camshafts

Bad cams? Yeah, That’s pretty common. Unfortunately cams are no longer available through Mercedes Benz

We will repair and harden your camshafts for you, Send in your cams in repairable condition and we will send them back to you with increased durability.

These cams do not provide any horsepower or performance benefit, these are factory spec refurbished camshafts.

Recommended Upgrades:

VRP Cam Phaser Plates

VRP H13 Headstuds

SLS Black Series Valve Tappets

Alternatively, if you are just looking to return your valvetrain to a durable and reliable factory state,

Original Spec Replacements:

VRP Cam Phaser Plates

Updated Headbolts

M159 Valve Tappets

Camshafts with Excessive wear or lobe damage will require hard welding, In this case you will required to upgrade to the Performance camshafts