4.7L /5.2L / 5.9L Engine Upgrades
DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
Diablo Sport
Regular price
$535.95
$475.95
11% off
- Unit price
- /per
Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
Cometic Gasket
Regular price from $96.54 Up to 10% off
- Unit price
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American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs
Regular price
$101.49
$69.00
32% off
- Unit price
- /per
Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
Cometic Gasket
Regular price
$48.06
$43.25
10% off
- Unit price
- /per
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014
Diablo Sport
Regular price
$818.95
$727.95
11% off
- Unit price
- /per
Comp Cams Stage 2 HRT 220/230 Max Power Hydraulic MASTER CAM KIT: 5.7L Hemi / 6.1L SRT8 2003 - 2008 (Non VVT)
COMP Cams
$1,644.95
- Unit price
- /per
Cometic Intake Manifold Gaskets (O-Ring/Set): Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023
Cometic Gasket
Regular price
$24.01
$21.61
10% off
- Unit price
- /per
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)
Vibrant
Regular price from $22.99 25% off
- Unit price
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Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392
Cometic Gasket
Regular price
$4.05
$3.64
10% off
- Unit price
- /per
DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
Diablo Sport
Regular price
$535.95
$475.95
11% off
- Unit price
- /per
American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
- Unit price
- /per
Comp Cams Stage 2 HRT 220/230 Max Power Hydraulic CAM KIT: 5.7L Hemi / 6.4L 392 2009 - 2023 (VVT)
COMP Cams
$1,236.95
- Unit price
- /per
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
Diablo Sport
Regular price
$535.95
$475.95
11% off
- Unit price
- /per
Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2008
Cometic Gasket
Regular price
$44.19
$39.77
10% off
- Unit price
- /per
American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
- Unit price
- /per
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs
Regular price
$76.00
$56.00
26% off
- Unit price
- /per
J&L Oil Separator Co. Oil Catch Can: Dodge Ram 5.7L Hemi 2009 - 2010 / Ram 5.7L Hemi 2011 - 2018
J&L
$169.00
- Unit price
- /per
Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023
Cometic Gasket
Regular price
$82.26
$74.04
10% off
- Unit price
- /per
DiabloSport Modified PCM + i3 Programmer Combo: 2009+ Charger/Challenger/300 5.7L Hemi
Diablo Sport
from Free
Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
Cometic Gasket
Regular price
$46.62
$41.96
10% off
- Unit price
- /per
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
- Unit price
- /per
AirAid Throttle Body Spacer: Chrysler 300 / Dodge Challenger / Charger 3.6L V6 2011 - 2023
AirAid
$188.99
- Unit price
- /per
Granatelli 95mm Throttle Body Black: Fits HEMI 2013-2024 5.7/6.1/6.4L
Granatelli Motor Sports
Regular price
$682.50
$648.38
5% off
- Unit price
- /per
Comp Cams Stage 2 HRT 220/230 Max Power Hydraulic CAM KIT: 5.7L Hemi / 6.1L SRT8 2003 - 2008 (Non VVT)
COMP Cams
$1,222.95
- Unit price
- /per
Comp Cams Stage 2 HRT 220/230 Max Power Hydraulic Roller Camshaft: 5.7L Hemi / 6.1L SRT8 2003 - 2008 (Non VVT)
COMP Cams
$579.95
- Unit price
- /per
DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$439.00
- Unit price
- /per
Ripp Hi-Perf Coil Packs: Fits Dodge / Chrysler / Jeep V8 (02-26)
Ripp
from $489.46
- Unit price
- /per
6 colors





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Comp Cams Stage 1 HRT 216/222 Max Power Hydraulic CAM KIT: 5.7L Hemi 2009 - 2023 (VVT)
COMP Cams
$1,236.95
- Unit price
- /per
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge 2005 - 2014
Diablo Sport
Regular price
$818.95
$727.95
11% off
- Unit price
- /per
AirAid Throttle Body Spacer: Dodge Dakota / Durango 1997 - 2003 (5.2L & 5.9L V8)
AirAid
$146.99
- Unit price
- /per
Comp Cams Stage 3 HRT 224/234 Max Power Hydraulic Roller MASTER CAM KIT: 5.7L Hemi / 6.1L SRT8 2003 - 2008 (Non VVT)
COMP Cams
$1,784.95
- Unit price
- /per
Gates Racing Micro-V Serpentine Belt: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2011
Gates
$36.76
- Unit price
- /per
Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2023 (All Models)
Pedal Commander
Regular price
$349.99
$299.99
14% off
- Unit price
- /per
Victor Reinz Cylinder Head Bolts: Fits Dodge / Jeep / Chrysler / Ram (03-26)
Victor Reinz
$66.73
- Unit price
- /per
Flowtech Shorty Headers (Black Painted): Dodge Dakota / Durango 4.7L V8 2000 - 2003
Flowtech
Regular price
$519.95
$324.95
38% off
- Unit price
- /per
Flowmaster FloxFX Exhaust System: Jeep Grand Cherokee 4.0L / 4.7L 1999 - 2004
Flowmaster
Regular price
$393.95
$314.95
20% off
- Unit price
- /per
Stainless Works Long Tube Headers & Mid Pipes: Dodge Ram 5.7L Hemi 1500 2009 - 2018 (1500)
Stainless Works
Regular price from $2,560.25 Up to 5% off
- Unit price
- /per
Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$699.00
- Unit price
- /per
Volant Throttle Body Spacer (FRONT): Fits Dodge & RAM 2009-2023 5.7L VVT & 6.4L 392 HEMI
Volant
$71.90
- Unit price
- /per
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Performance and Maintenance Upgrades for 4.7L, 5.2L, and 5.9L Mopar Engines
The 4.7L, 5.2L, and 5.9L engines form the backbone of classic Mopar trucks and SUVs, prized for their durability and torque-rich character. Whether you’re working on a 5.9L Magnum 360 or its 4.7L and 5.2L siblings, these engines offer a reliable platform for daily driving and straightforward bolt-on upgrades that enhance performance and longevity.
Keeping Your 5.9L Magnum and Related Engines Running Strong
Routine maintenance is key to preserving the reliability of these legacy Mopar engines. Focus on durable ignition components, fuel system upkeep, and quality gaskets to prevent common wear issues. Proper maintenance not only extends engine life but also ensures consistent torque delivery and throttle response.
- Replace ignition wires, coils, and spark plugs regularly for optimal combustion
- Maintain fuel injectors and fuel pumps to avoid lean conditions
- Use quality seals and gaskets to prevent leaks and maintain compression
- Inspect and replace timing components as needed to avoid performance loss
Popular Performance Upgrades for 4.7L, 5.2L, and 5.9L Engines
These Mopar small blocks respond well to bolt-on upgrades that improve airflow and ignition efficiency. Common enhancements include performance intake manifolds, exhaust headers, and upgraded ignition systems designed to boost throttle response and torque without extensive engine modifications.
Choosing the Right Upgrades for Your Classic Mopar Engine
When selecting parts for your 4.7L, 5.2L, or 5.9L engine, consider your vehicle’s application and desired performance level. Whether you’re restoring a Ram truck or upgrading a Dakota or Durango, FastHemis offers a range of components tailored to maintain reliability while unlocking additional power and drivability.