422 Hemi Stroker Kit for 6.4 SRT - Displacement Increase to 6.9 Liters

Conversion kit to increase the displacement of the 6.4 SRT engine.
The displacement is increased to 6.9 liters (422 cubic inches).

• Forged crankshaft from Molnar, 4,000 stroke
• Forged 6,200 connecting rods from Molnar Technologies
• Coated premium bearings optional
• Mahle 2618 Forged piston
  • Cabin size 4.090 (optional oversize 4.095 or 4.100)
  • Coated ring bars
  • Coated piston skirts
  • Piston pin made from H13 tool steel
  • Upper ring offset downwards for additional strength
  • Additional cross-section on the ring web between the first and second compression ring for additional strength
  • Increased volume of the storage groove between the first and second ring for additional strength (reduces pressure peaks that cause web fractures)
  • Additional valve recesses for adaptation to larger cam profiles
  • Premium piston rings (impact clearance must be adjusted)
  • Valve pockets for up to 2,200 inlet valves and 1,650 outlet valves

Fits: