392 Hemi stroker kit for 5.7 Hemi - displacement increase to 6.4 liters
Conversion kit to increase displacement for the 5.7 Hemi engine from 2009.
The displacement is increased to 6.4 liters (392 cubic inches).
- Forged crankshaft from Molnar, 4,000 stroke
- Forged 6.175 connecting rods from Molnar Technologies
- Coated premium bearings optional
- Mahle 2618 Forged piston
- Cabin size 3.927 (optionally available in oversize)
- Coated ring bars
- Coated piston shirts
- Piston pin made of H13 tool steel, Diamond-Like Coated)
- 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)
- Premium piston rings (impact clearance must be adjusted)
Fits:
| Brand | Model | Engine | Year |
| Chrysler | 300C | 5.7 | 2009 – 2023 |
| Dodge | Challenger | 5.7 | 2009 – 2023 |
| Dodge | Charger | 5.7 | 2009 – 2023 |
| Dodge | Durango | 5.7 | 2009 – 2023 |
| Jeep | Grand Cherokee | 5.7 | 2009 – 2022 |
| Jeep | Commander | 5.7 | 2009 – 2010 |
| RAM | 1500 / 2500 / 3500 | 5.7 | 2009 – 2023 |
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