396 Hemi Stroker Kit for 5.7 Hemi - Displacement Increase to 6.4 Litres
Conversion kit to increase the displacement for the 5.7 Hemi engine from 2009.
The displacement is increased to 6.4 litres (396 cubic inches). Variant for naturally aspirated engines with high compression.
- Forged crankshaft from Molnar, 4,050 stroke
- Forged 6.125 connecting rods from Molnar Technologies
- Coated premium bearings optional
- Mahle 4032 Forged piston
- Cabin dimension 3.927 (optionally available in oversize)
- Coated ring lands
- Coated skirts
- Upper ring moved downwards for extra strength
- Additional cross section added to ring land between first and second compression ring for added strength
- Increased volume of accumulator groove between first and second ring for added strength (reduce pressure spikes that cause land failures)
- File fit premium rings included
Compression between 11.2:1 and 12:1 depending on cylinder gaskets
Fits:
| Make | 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 | 5.7 | 2009 – 2023 |
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