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4.7L /5.2L / 5.9L Engine Upgrades

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428 Results

MagnaFlow Direct Fit Catalytic Converter CARB: Jeep Wrangler TJ 2004-2006 4.0L
MagnaFlow Direct Fit Catalytic Converter CARB: Jeep Wrangler TJ 2004-2006 4.0L
usa
MBRP Black Series 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
MBRP Black Series 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L

MBRP Black Series 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler 00-06 4.0L/2.5L

MBRP

Regular price $444.69 $359.99 19% off

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MBRP Aluminized 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
MBRP Aluminized 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L

MBRP Aluminized 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler 00-06 4.0L/2.5L

MBRP

Regular price $352.05 $284.99 19% off

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per 

MBRP Armor Lite Off-Road Turn Down Aluminized 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
MBRP Armor Lite Off-Road Turn Down Aluminized 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
MBRP ARMOR PLUS Off-Road Turn Down SS 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
MBRP ARMOR PLUS Off-Road Turn Down SS 2.5" Cat-Back Exhaust (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
Odyssey Battery HD Extreme AGM Battery: Fits Jeep / Dodge / Ram (99-11)
Odyssey Battery HD Extreme AGM Battery: Fits Jeep / Dodge / Ram (99-11)
usa

Odyssey Battery HD Extreme AGM Battery: Fits Most Dodge/Jeep (99-10)

Odyssey Battery

Regular price $488.12 $436.99 10% off

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Liqui Moly Pro-Line Engine Flush: Fits Most Models
Liqui Moly Pro-Line Engine Flush: Fits Most Models

Liqui Moly Pro-Line Engine Flush: Fits Most Models

LIQUI MOLY

$185.70

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Liqui Moly Top Tec 6600 Motor Oil: Fits Most Models
Liqui Moly Top Tec 6600 Motor Oil: Fits Most Models

Liqui Moly Top Tec 6600 Motor Oil: Fits Most Models

LIQUI MOLY

$270.95

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per 

Flowmaster American Thunder Exhaust System (Dual Side Exit): Dodge Ram 4.7L / 5.9L V8 1500 2002 - 2005
Flowmaster American Thunder Exhaust System (Dual Side Exit): Dodge Ram 4.7L / 5.9L V8 1500 2002 - 2005
usa

Flowmaster American Thunder Exhaust System (Dual Side Exit): Dodge Ram 4.7L / 5.9L V8 1500 2002 - 2005

Flowmaster

Regular price $1,037.95 $949.95 8% off

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per 

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

LIQUI MOLY

$297.95

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per 

ACCEL SuperTuner Performance Tuner: Fits Most Dodge / Ram / Chrysler Models (1999-2013)
ACCEL SuperTuner Performance Tuner: Fits Most Dodge / Ram / Chrysler Models (1999-2013)

ACCEL SuperTuner Performance Tuner: Fits Most Dodge / Ram / Chrysler Models (1999-2013)

ACCEL

Regular price $490.95 $456.95 7% off

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Ripp High Performance Coil Pack Kit with Spark Plug Wires: Jeep Wrangler TJ/LJ 1997-2006
Ripp High Performance Coil Pack Kit with Spark Plug Wires: Jeep Wrangler TJ/LJ 1997-2006

Ripp High Performance Coil Pack Kit with Spark Plug Wires: Jeep Wrangler TJ/LJ 1997-2006

Ripp

Regular price from $299.00 Up to 13% off

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Flowmaster Force II Cat-Back Exhaust System: Jeep Wrangler 1991-1995
Flowmaster Force II Cat-Back Exhaust System: Jeep Wrangler 1991-1995
usa

Flowmaster Force II Cat-Back Exhaust System: Jeep Wrangler 1991-1995

Flowmaster

Regular price $633.95 $584.95 8% off

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Holley Cast Aluminum Rear-Sump Gen III Hemi Swap Oil Pan: Dodge Dakota (87-04) / Ramcharger (74-93)
Liqui Moly Synthoil Race Tech GT1 Motor Oil: Fits Most Models
Liqui Moly Synthoil Race Tech GT1 Motor Oil: Fits Most Models
Liqui Moly Pro-Line Fuel Injection Cleaner: Fits Most Models
Liqui Moly Pro-Line Fuel Injection Cleaner: Fits Most Models
Liqui Moly Fuel Injection Cleaner: Fits Most Models
Liqui Moly Fuel Injection Cleaner: Fits Most Models

Liqui Moly Fuel Injection Cleaner: Fits Most Models

LIQUI MOLY

$227.40

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per 

Magnaflow Universal Catalytic Converter: Jeep Wrangler (97-06)
Magnaflow Universal Catalytic Converter: Jeep Wrangler (97-06)
usa
Magnaflow Direct-Fit Replacement Exhaust System: Dodge Durango (2000-2003) 4.7L
Magnaflow Direct-Fit Replacement Exhaust System: Dodge Durango (2000-2003) 4.7L
usa

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.

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