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Message : what all would I have to do to swap this in my 21 RT MOPAR 68436298AA 6.2L H.O. HEMI Long Block Crate Engine for 18-23 Demon, Challenger, Charger Redeye, Super Stock and Jailbreak
And i need supporting mods like which long tube headers and do I need a flex fuel kit to run e85 and will
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Open Aug 11, 2026 - 12:03 PM
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MOPAR 68436298AA 6.2L H.O. HEMI Long Block Crate Engine for 18-23 Demon, Challenger, Charger Redeye, Super Stock and Jailbreak
Mopar 6.2L H.O. HEMI Long Block – OEM Demon / Redeye / Super Stock Replacement This Mopar 6.2L High Output (H.O.) HEMI Long Block is a factory OEM assembly designed for the most extreme production-based supercharged HEMI applications. Used in vehicles such as the Demon, Redeye, Super Stock, and Jail...
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