4.7L /5.2L / 5.9L Engine Upgrades
Nitrous Express EFI Single Nozzle Nitrous Kit 15lb Bottle: Fits Dodge / Jeep 1992-2005 2.5L/3.9L V6
Nitrous Express
$1,017.64
- Unit price
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Yukon Gear & Axle NP241D Transfer Case Bearing Kit: Jeep Wrangler 2003-2014 3.6L/3.8L
Yukon Gear & Axle
$224.89
- Unit price
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Banks Power AutoMind Programmer Hand Held: Fits Dodge/Jeep 1998-2014
Banks Power
Regular price
$487.78
$439.00
10% off
- Unit price
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aFe Sprint Booster V3 Power Converter (F&R): Fits Most Jeep 6.4L/6.1L/5.7L/3.8L/3.7L/3.6L (05-13)
aFe
$314.00
- Unit price
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AFE Silver Bullet Throttle Body Spacer: Dodge Ram 1500 / Ram 1500 07-12 5.7L Hemi
aFe
$139.00
- Unit price
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aFe Scorcher Hi-Perf Ignition Coil Single: Fits Chrysler / Dodge / Jeep / Ram V8 HEMI (06-24)
aFe
$88.00
- Unit price
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aFe Scorcher Hi-Perf Ignition Coil (8 Pack): Fits Dodge / Jeep / Ram 5.7L / 6.4L Hemi (06-24)
aFe
$581.00
- Unit price
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MagnaFlow Direct Fit Catalytic Converter HM Grade EPA (FRONT): Jeep Grand Cherokee 99-04
Magnaflow
$698.00
- Unit price
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Mishimoto Racing Thermostat Low Temp: Jeep Wrangler 2003-2010 2.4L / 3.8L
Mishimoto
Regular price
$76.00
$68.95
9% off
- Unit price
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American Racing Headers Long System HD 6-into-1 Header: Jeep Wrangler TJ 1998-2006 4.0L I6
American Racing Headers
Regular price from $1,493.89 Up to 9% off
- Unit price
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MBRP XP Series Cat-Back Exhaust 3.5in Tip (REAR): Jeep Wrangler 00-06 4.0L/2.5L
MBRP
Regular price
$401.46
$324.99
19% off
- Unit price
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PRW Steel Black Oxide Rocker Arm Adjuster Screws: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$8.47
$7.06
17% off
- Unit price
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PRW Fabricated Polished Aluminum Valve Covers w/ Mounting Hardware: Fits most Hemi Models
PRW
Regular price
$297.43
$247.86
17% off
- Unit price
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PRW Fabricated Aluminum Valve Covers (PAIR): Chrysler / Dodge / Jeep / Ram 5.7L-6.2L Engines - Black
PRW
Regular price
$301.75
$251.46
17% off
- Unit price
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PRW Fabricated Aluminum Valve Covers (PAIR): Fits Chrysler / Dodge / Jeep / Ram (02-26) - Silver
PRW
Regular price
$305.14
$254.28
17% off
- Unit price
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PRW Platinum Series SS Shaft-Mount Rocker Arms Kit: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$890.99
$742.49
17% off
- Unit price
- /per
PRW Hi-Perf Sportsman Harmonic Damper: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L Hemi
PRW
Regular price
$146.52
$122.10
17% off
- Unit price
- /per
Flowmaster 40 Series Chambered Muffler: Fits Chrysler / Dodge / Ram (04-14)
Flowmaster
Regular price
$112.95
$101.95
10% off
- Unit price
- /per
Liqui Moly Special Tec LL Motor Oil: Fits Most Chrysler / Dodge / Jeep Models
LIQUI MOLY
$107.70
- Unit price
- /per
JBA Shorty Headers (Raw Finish): Fits Most Dodge 8.0L/5.9L Diesel/5.7L/5.2L/3.9L/3.7L (96-03)
JBA
Regular price
$687.31
$624.83
9% off
- Unit price
- /per
Injen PowerFlow Cold Air Intake Wrinkle Black (FRONT): Jeep Grand Cherokee 05-09 5.7L Hemi
Injen
$360.49
- Unit price
- /per
Injen PowerFlow Cold Air Intake Polished (FRONT): Jeep Grand Cherokee 05-09 5.7L Hemi
Injen
$360.49
- Unit price
- /per
Gibson Ceramic Coated Performance Header 1-1/2in 16 Gauge: Dodge Ram 1500 02-03 5.7L Hemi
Gibson
$1,659.98
- Unit price
- /per
MBRP Cat-Back 3" Single Side Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP
Regular price
$524.99
$424.99
19% off
- Unit price
- /per
MBRP Cat-Back 2 1/2" Dual Split Rear Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP
Regular price
$673.22
$544.99
19% off
- Unit price
- /per
MBRP Cat-Back 3" Dual Split Side Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP
Regular price
$685.58
$554.99
19% off
- Unit price
- /per
MBRP XP Series Cat-Back 3" Single Side Exhaust System: Ram 1500/1500 Classic 11-24 5.7L/4.7L/3.6L/3.0L EcoDiesel
MBRP
Regular price
$697.93
$564.99
19% off
- Unit price
- /per
MBRP Cat-Back 3" Single Side Exhaust (Black Powdercoat): Ram 1500/1500 Classic 11-24 5.7L/4.7L/3.6L/3.0L EcoDiesel
MBRP
Regular price
$815.28
$659.99
19% off
- Unit price
- /per
MBRP Muffler Replacement: Ram 1500/1500 Classic 11-24 5.7L/4.7L/3.6L/3.0L EcoDiesel
MBRP
Regular price
$426.16
$344.99
19% off
- Unit price
- /per
MBRP Cat Back Exhaust System (Dual Split Side Exit): Ram 1500/1500 Classic 11-24 5.7L/4.7L/3.6L/3.0L EcoDiesel
MBRP
Regular price
$963.52
$779.99
19% off
- Unit price
- /per
MBRP Cat Back Exhaust (Dual Split Side Exit): Ram 1500/1500 Classic 11-24 5.7L/4.7L/3.6L/3.0L EcoDiesel
MBRP
Regular price
$685.58
$554.99
19% off
- Unit price
- /per
American Brother Designs Custom Coolant Reservoir Cap Cover: Fits Dodge / Jeep / Ram (09-26)
American Brother Designs
$59.00
- Unit price
- /per
American Brother Designs Custom Master Cylinder Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs
$69.00
- Unit price
- /per
American Brother Designs Custom Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs
$59.00
- Unit price
- /per
American Brother Designs Custom Fuse Box Cover: Dodge Durango / Jeep Grand Cherokee / Ram (14-25)
American Brother Designs
$155.00
- Unit price
- /per
American Brother Designs Custom Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014
American Brother Designs
$59.00
- 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.