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Weclome to MMX / ModernMuscleXtreme.com, The Home of Gen3 HEMI Performance & Innovation

Your trusted home for HEMI performance parts and innovation. From our engine dyno, street, and race tested high performance HEMI camshaft kits, to our premium manufactured forge HEMI internals. We are your go-to source.

Popular 5.7L HEMI Performance Camshaft Kits

5.7L HEMI VVT Performance Camshaft Kit - NA Lope by MMX
5.7L HEMI VVT Performance Camshaft Kit - NA Lope by MMX
Price: $549.95

5.7 VVT HEMI Performance Camshaft Kit - NA No Tune Required Non MDS by MMX
5.7 VVT HEMI Performance Camshaft Kit - NA No Tune Required Non MDS by MMX
Price: $619.60

5.7L HEMI VVT Performance Camshaft Kit - MAXEFFORT by MMX
5.7L HEMI VVT Performance Camshaft Kit - MAXEFFORT by MMX
Price: $549.95

Popular 6.4L HEMI Performance Camshaft Kits

6.4L 392 VVT HEMI MAX EFFORT NA Performance Camshaft Kit by MMX
6.4L 392 VVT HEMI MAX EFFORT NA Performance Camshaft Kit by MMX
Price: $549.95

6.4L 392 VVT HEMI Performance Camshaft Kit - NA NSR by Modern Muscle
6.4L 392 VVT HEMI Performance Camshaft Kit - NA NSR by Modern Muscle
Price: $549.95

6.4L 392 VVT HEMI MAX EFFORT V2 NA Performance Camshaft Kit by MMX
6.4L 392 VVT HEMI MAX EFFORT V2 NA Performance Camshaft Kit by MMX
Price: $549.95

Popular 6.2L HEMI Performance Camshaft Kits

Hellcat 6.2L HEMI MAX EFFORT Performance Camshaft by MMX
Hellcat 6.2L HEMI MAX EFFORT Performance Camshaft by MMX
Price: $549.95

6.2L 6.4L HEMI TURBO Stroker HEMI VVT Performance Camshaft Kit by MMX
6.2L 6.4L HEMI TURBO Stroker HEMI VVT Performance Camshaft Kit by MMX
Price: $549.95

6.2L 6.4L HEMI VVT Performance Camshaft Kit - PD Twin Screw Blower by MMX
6.2L 6.4L HEMI VVT Performance Camshaft Kit - PD Twin Screw Blower by MMX
Price: $549.95

Xtreme New HEMI Performance Parts

2015+ Challenger Differential Brace - 6061 Billet Aluminum by MMX
2015+ Challenger Differential Brace - 6061 Billet Aluminum by MMX
Price: $349.95

5.7L 6.1L 6.4L HEMI Front Timing Cover by MOPAR 68416971AB
5.7L 6.1L 6.4L HEMI Front Timing Cover by MOPAR 68416971AB
Price: $199.95

5.7L 6.1L and 6.4L HEMI Valve Covers by MOPAR
5.7L 6.1L and 6.4L HEMI Valve Covers by MOPAR
Price: $199.95

6.4L HEMI Factory NEW MDS Long Block by MOPAR 68411264AA
6.4L HEMI Factory NEW MDS Long Block by MOPAR 68411264AA
Price: $0.00
On Sale For: $6,999.95
Hellcat Supercharger Boost Controller by MMX
Hellcat Supercharger Boost Controller by MMX
Price: $399.95

2005-2023 Challenger, Charger, Magnum, 300 HEMI 5.7,6.1,6.4,6.2 Headers - Power Series by Stainless Works
2005-2023 Challenger, Charger, Magnum, 300 HEMI 5.7,6.1,6.4,6.2 Headers - Power Series by Stainless Works
Price: $1,799.00

HEMI 2-Step Launch Controller - Plug and Play - by MMX
HEMI 2-Step Launch Controller - Plug and Play - by MMX
Price: $499.95

HEMI MDS Plugs - Billet Aluminum - by MMX
HEMI MDS Plugs - Billet Aluminum - by MMX
Price: $79.95

2011-2023 Challenger Charger 300c and 2018+ Trackhawk HEMI Engine Mounts by Torque Master
2011-2023 Challenger Charger 300c and 2018+ Trackhawk HEMI Engine Mounts by Torque Master
Price: $329.95

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