5.7L / 6.1L / 6.4L Hemi Engine Upgrades

Upgrade Your 5.7L, 6.1L, and 6.4L Hemi Engines The 5.7L, 6.1L SRT8, and 6.4L 392 Hemi engines represent some of the most versatile and powerful V8 platforms in the Mopar lineup. Known for their forged internals, strong factory performance, and boost-ready design, these engines respond exceptionally well to a wide range of upgrades. Whether you’re enhancing a daily driver or building a track-ready muscle car, these Hemis deliver impressive power and reliability. This collection features performance parts tailored for each engine size, including supercharger kits, intake and exhaust upgrades, tuners, and supporting mods. From bolt-on improvements for the 5.7L to high-performance components for the 6.1L SRT8 and 6.4L 392, you’ll find everything needed to unlock your engine’s full potential. Key upgrade options include: - Supercharger and forced induction kits - Cold air intakes and throttle body upgrades - Long tube headers and cat-back exhausts - Engine management and tuning solutions - Supporting hardware for durability and power Shop 5.7L, 6.1L, and 6.4L Hemi engine upgrades at FastHemis.