ModernMuscleXtreme The Jeep SRT8 Specialists!

Jeep Cherokee SRT8 and Trackhawk

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2006 - 2010 Jeep Cherokee SRT8 WK
2012 - 2020 Jeep Cherokee SRT8 WK2
2018 Jeep SRT TrackHawk
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411 HEMI Stroker Engine- 6.4/6.2 Based by Modern Muscle Performance
411 HEMI Stroker Engine- 6.4/6.2 Based by Modern Muscle Performance
This Short Block is Capable of supporting 1400WHP This 6.4 Based 411 CI Stroker Short Block Features our 411 CI Forged Rotating assembly...read more
$6,299.00
422 HEMI Stroker Engine- 6.4/6.2 Based by Modern Muscle Performance
422 HEMI Stroker Engine- 6.4/6.2 Based by Modern Muscle Performance
This 6.4 Based 422 CI Stroker Short Block Features our 411 CI Forged Rotating assembly with a balanced Molnar 4.00 Stroke Crankshaft,...read more
$6,299.95
426 HEMI 1500 HP Stroker Short Block - 6.4/6.2 Based by MMX
426 HEMI 1500 HP Stroker Short Block - 6.4/6.2 Based by MMX
This 6.4 Based 426 CI Stroker Short Block Features our 426 CI 1500 HP Forged Rotating assembly with a balanced Callies 4.050 (Or 4.00...read more
$10,749.95
426 HEMI 1500+ Horsepower Stroker Kit - 6.2L or 6.4L Based by MMX
426 HEMI 1500+ Horsepower Stroker Kit - 6.2L or 6.4L Based by MMX
*PROFESSIONAL INSTALLATION AND CLEARANCE CONFIRMATION REQUIRED*MMX 426 HEMI 6.4L 1500WHP + Capable Rotating Assembly!This is the same...read more
$4,999.95
426 HEMI 6.4L Based Low Compression Stroker Kit by Modern Muscle Performance
426 HEMI 6.4L Based Low Compression Stroker Kit by Modern Muscle Performance
*PROFESSIONAL INSTALLATION AND CLEARANCE CONFIRMATION REQUIRED*MMX 426 HEMI 6.4L Based Rotating Assembly!Features:Manley Forged 4.050...read more
$3,499.95
426 HEMI High Compression N/A 6.4L Based Stroker Kit by Modern Muscle Performance
426 HEMI High Compression N/A 6.4L Based Stroker Kit by Modern Muscle Performance
*PROFESSIONAL INSTALLATION & CLEARANCE CONFIRMATION REQUIRED*MMX 426 High Compression HEMI 6.4L Based Rotating Assembly!Modern...read more
$3,395.00
426 HEMI High Compression Naturally Aspirated Stroker Short Block - 6.4 Based by MMX
426 HEMI High Compression Naturally Aspirated Stroker Short Block - 6.4 Based by MMX
This 6.4 Based 426 CI Stroker Short Block Features our 426 CI Forged Rotating assembly with a balanced Manley 4.050 Stroke Crankshaft,...read more
$6,299.00
426 HEMI Stroker Engine - 6.4L/6.2 Based by Modern Muscle Performance
426 HEMI Stroker Engine - 6.4L/6.2 Based by Modern Muscle Performance
 This 6.4/6.2 Based 426 CI Stroker Short Block Features our 426 CI Forged Rotating assembly with a balanced Molnar BILLET Center...read more
Sale: $7,499.95
426 HEMI Stroker Engine- 6.1L Based by Modern Muscle Performance
426 HEMI Stroker Engine- 6.1L Based by Modern Muscle Performance
Modern Muscle Performance has been building HEMI stroker engines for many years and we have a well earned reputation as one of the...read more
$6,299.95
445cc HEMI Fuel Injectors by Fuel Injector Clinic
445cc HEMI Fuel Injectors by Fuel Injector Clinic
Dodge SRT-8, 5.7 Fuel Injector Clinic Injector Set: 8 x 445cc/min (42lbs/hr) at 3 bar (43.5psi) fuel pressure and 50lbs/hr (520cc/min)...read more
$625.00
454 HEMI Stroker Engine- 6.4L Based by Modern Muscle Performance
454 HEMI Stroker Engine- 6.4L Based by Modern Muscle Performance
Introducing the Modern Muscle Xtreme 454 cubic inch Stroker Kit! This kit features a 4.250 stroke crankshaft, 6.125 connecting rod, and...read more
$6,499.95
5.7L 6.1L 6.4L HEMI 3 Bar MAP Sensor by MOPAR
5.7L 6.1L 6.4L HEMI 3 Bar MAP Sensor by MOPAR
3 Bar MAP Sensor for supercharged applications, by MOPAR. 
$49.95
5.7L 6.4L HEMI Fuel Rails by MMX
5.7L 6.4L HEMI Fuel Rails by MMX
Premium HEMI aluminum fuel rails by MMX including an optional banjo fitting for more fitment possibilities!Features: .670 Inner...read more
$149.95
5.7L 6.4L HEMI VVT ATI Super Damper Harmonic Balancer - 15 Percent Underdriven by MMX and ATI
5.7L 6.4L HEMI VVT ATI Super Damper Harmonic Balancer - 15 Percent Underdriven by MMX and ATI
New Product!If you want to free up some N/A horsepower by underdriving your accessories, look no further than our MMX/ATI 15%...read more
$509.95
5.7L HEMI Jeep Cold Air Intake by Mopar
5.7L HEMI Jeep Cold Air Intake by Mopar
ModenMuscleXtreme.com now offers this HEMI cold air intake for your 5.7 liter from Mopar. This bolt-on system is designed to allow...read more
$447.00
5.7L HEMI VVT Camshaft Installation Kit by MMX
5.7L HEMI VVT Camshaft Installation Kit by MMX
This is a list of suggest parts that we recommend for our MMX performance 5.7L HEMI camshaft kits.read more
$0.00
525cc HEMI Fuel Injectors by Fuel Injector Clinic
525cc HEMI Fuel Injectors by Fuel Injector Clinic
ModernMuscleXtreme.com only offers the very best in our injector selection for your HEMI powered hotrod.Fuel Injector Clinic is owned...read more
$599.00
6.1L Gen III HEMI Performer RPM Cylinder Heads 83cc by Edelbrock - Both Cylinder Heads Included
6.1L Gen III HEMI Performer RPM Cylinder Heads 83cc by Edelbrock - Both Cylinder Heads Included
The Edelbrock Performer RPM is a bolt-on performance upgrade for 2003-Present Gen III HEMI® 5.7L, 6.1L, 6.2L and 6.4L engines. It's...read more
$1,561.50
6.1L HEMI 1511 Beehive Valve Spring Kit
6.1L HEMI 1511 Beehive Valve Spring Kit
This Modern Muscle Xtreme Cam Install Package For 6.1L HEMI is perfect if you are considering upgrading the camshaft in your 6.1L HEMI....read more
$515.95
6.1L HEMI 1516 Beehive Valve Spring Kit
6.1L HEMI 1516 Beehive Valve Spring Kit
This Modern Muscle Xtreme Cam Install Package For 6.1L HEMI is perfect if you are considering upgrading the camshaft in your 6.1L HEMI....read more
$674.95
6.1L HEMI ATI Super Damper
6.1L HEMI ATI Super Damper
The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chrysler, Dodge and Mopar Engines...read more
$394.84
6.1L HEMI Catchcan 3.0 by J&L Oil Separator Company (formally JLT)
6.1L HEMI Catchcan 3.0 by J&L Oil Separator Company (formally JLT)
ALL NEW J&L Oil Separator 3.0 Oil SeparatorThe new design is the 3.0 because it hold 3oz of fluid where the original held a little...read more
$159.00
6.1L HEMI CNC Ported Heads by Modern Muscle Performance
6.1L HEMI CNC Ported Heads by Modern Muscle Performance
**3-5 week lead time**Unlike the competition, we don't offer stages to our heads: we simply offer the best product possible. These heads...read more
$2,349.00
6.1L HEMI CNC Ported Runner Intake Manifold by Modern Muscle
6.1L HEMI CNC Ported Runner Intake Manifold by Modern Muscle
**Can take up to 1 week for delivery!**The 6.1L HEMI intake is still very popular for many reasons, and we are proud to offer this...read more
$649.99
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