Mercedes M157 Torque / Honing Plate 100MM Max Bore

$390.00$680.00 USD

Mercedes M157 Torque Plate

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If you are here, you know what these are for. Most serious engine rebuilder will use one of these plate to hone an engine. This plate recreate the stress a block see when the head is torqued down. I have been asked to make a plate for these engine so I now stock them.

These plate will fit on all Mercedes M157 Engine. Dowell holes are machined on the bottom side on 4 holes so a single plate can be used on both side. 

They are CNC machined out of 2″ thick 6061-T6 aluminum. Stainless steel insert are included so it can be used numerous time without damaging the mounting hole. The spacer also give you the proper height so you can use the stock bolt.

It is suitable for bore up to 95MM for those seeking maximum displacement on these engine, but they obviously can be used on smaller bore too. Bigger bore available on request. I can also make a plate for any motor!


  • A Honing plate
  • 10 Stainless Steel Spacer  per plate

These plate will ship to Canada and the United State for a flat rate of 5$!

Additional information

Weight 13 lbs
Dimensions 20 × 8 × 4 in

1 Plate, 2 Plates (Pair)


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