426 Hemi Stroker Kit for 6.4 SRT - displacement expansion to 7 liters with high compression

Conversion kit to expand displacement for the 6.4 SRT engine.
The displacement is increased to 7 liters (426 cubic inches), high compression for naturally aspirated engines.

• Molnar forged crankshaft, 4,050 stroke
• Forged 6.125 connecting rods from Molnar Technologies
• Coated premium bearings optional
• Mahle M142 forged pistons
  • Bar size 4,090 (optionally oversized 4,095 or 4,100)
  • Coated ring bars
  • Coated piston skirts
  • Piston pin made of H13 tool steel
  • Top ring offset downwards for added strength
  • Additional cross-section on the ring web between the first and second compression rings for additional strength
  • Increased volume of storage groove between first and second ring for added strength (reduces pressure peaks that cause web breakage)
  • Additional valve recesses to accommodate larger cam profiles
  • Premium piston rings (butt clearance needs to be adjusted)
  • Valve pockets for up to 2,200 inlet valves and 1,650 exhaust valves

Compression:

11.3:1 with original cylinder heads and original cylinder head gaskets
11.0:1 with 0.040 Cometic cylinder head gaskets
10.8:1 with 0.054 Cometic cylinder head gaskets

Fits: