Weistec Forged Rods and Pistons, M156

SKU: 01-156-00443-4 Categorías: ,



Our forged pistons and billet 4340 rods add a great degree of strength and resilience to the M156 engine. The pistons benefit from an improved wrist pin design over the OEM pistons. The optional piston top ceramic coating helps to increase the heat resistance and the piston skirts are Teflon coated to reduce friction. The billet 4340 rods, which are of a stronger material and design than the original rods, are capable of supporting much higher power levels. These are the pistons and rods that are used in our M156 Built Engine Package.

Piston to Rod geometry has been optimized for performance as well as an increase in deck thickness. Due to different geometry and wrist pin sizing, pistons and rods must be used together.


Key Features:

  • Maintains Factory 11.3:1 Compression
  • Optional Ceramic Coated Piston Tops
  • Teflon Coated Pistons Skirts
  • Billet 4340 Connecting Rods
  • Improved Wristpin Design
  • Performance Ring Set Included
  • High Strength/Quality Design and Construction
  • Increased Power Capacity and Heat Dissipation


It is strongly recommended that customers send their M156 engines to our facility for installation of the Weistec Forged Rods and Pistons as part of a complete engine build.  No tech support will be offered for installation of rods and pistons other than information regarding the orientation of the rods and pistons.  Ring gapping and cylinder bore preparation information will not be provided.

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