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4.7L /5.2L / 5.9L Engine Upgrades

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428 Results

K&N Drop-In Air Filter: Dodge Ram 3.9L V6, 5.2L V8, 5.9L V8 1994 - 2002
K&N Drop-In Air Filter: Dodge Ram 3.9L V6, 5.2L V8, 5.9L V8 1994 - 2002
K&N 57 Series Cold Air Intake: Dodge Dakota, Durango 5.2L V8 & 5.9L V8 1998 - 1999
K&N 57 Series Cold Air Intake: Dodge Dakota, Durango 5.2L V8 & 5.9L V8 1998 - 1999
K&N Drop-In Air Filter: Jeep Grand Cherokee 4.7L V8, 4.0L I6 1999 - 2004
K&N Drop-In Air Filter: Jeep Grand Cherokee 4.7L V8, 4.0L I6 1999 - 2004

K&N Drop-In Air Filter: Jeep Grand Cherokee 99-05 5.7L/4.0L

K&N Engineering

$62.99

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K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 5.2L V8 & 5.9L V8 1999 - 2004
K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 5.2L V8 & 5.9L V8 1999 - 2004

K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 93-98

K&N Engineering

$367.99

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per 

K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 4.0L I6 1993-1998
K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 4.0L I6 1993-1998

K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 93-98 4.0L I6

K&N Engineering

$367.99

Unit price
per 

K&N 77 Series Cold Air Intake: Jeep Grand Cherokee 4.7L V8 1999-2004
K&N 77 Series Cold Air Intake: Jeep Grand Cherokee 4.7L V8 1999-2004

K&N 77 Series Cold Air Intake: Jeep Grand Cherokee 99-04

K&N Engineering

$419.99

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per 

K&N 77 Series Cold Air Intake: Jeep Grand Cherokee 4.0L I6 1999-2004
K&N 77 Series Cold Air Intake: Jeep Grand Cherokee 4.0L I6 1999-2004

K&N 77 Series Cold Air Intake: Jeep Grand Cherokee 99-04 4.0L I6

K&N Engineering

$419.99

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AirAid Throttle Body Spacer: Jeep Grand Cherokee 4.7L V8 1999 - 2002
AirAid Throttle Body Spacer: Jeep Grand Cherokee 4.7L V8 1999 - 2002
K&N Drop-In Air Filter: Jeep Wrangler 4.0L I6 1997 - 2006
K&N Drop-In Air Filter: Jeep Wrangler 4.0L I6 1997 - 2006

K&N Drop-In Air Filter: Jeep Wrangler 97-06 4.0L/2.5L

K&N Engineering

$68.99

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K&N 57 Series Cold Air Intake: Jeep Wrangler TJ 4.0L I6 1997-2006
K&N 57 Series Cold Air Intake: Jeep Wrangler TJ 4.0L I6 1997-2006

K&N 57 Series Cold Air Intake: Jeep Wrangler 97-06 4.0L I6

K&N Engineering

$367.99

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per 

AirAid Throttle Body Spacer: Jeep Wrangler 4.0L I6 1997 - 2006
AirAid Throttle Body Spacer: Jeep Wrangler 4.0L I6 1997 - 2006
S&B Cold Air Intake: Jeep Wrangler TJ 4.0L 1997 - 2006
S&B Cold Air Intake: Jeep Wrangler TJ 4.0L 1997 - 2006
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S&B Cold Air Intake: Jeep Wrangler TJ 4.0L 1997 - 2006

S&B Filters

Regular price $429.99 $379.00 12% off

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2 filter types
  • Cotton Cleanable
  • Dry Extendable
Borla SS Single Right Rear Exit Cat-Back Exhaust: Jeep Wrangler YJ 4.0L 6cyl 4WD 2Dr 1991 - 1995
Borla SS Single Right Rear Exit Cat-Back Exhaust: Jeep Wrangler YJ 4.0L 6cyl 4WD 2Dr 1991 - 1995
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Borla SS Single Right Rear Exit Cat-Back Exhaust: Jeep Wrangler 91-95 4.0L I6

Borla

Regular price $716.99 $639.99 11% off

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MBRP Cat Back Exhaust (Single Turndown): Jeep Wrangler TJ Unlimited 4.0L (97-06) - Aluminized
MBRP Cat Back Exhaust (Single Turndown): Jeep Wrangler TJ Unlimited 4.0L (97-06) - Aluminized

MBRP Cat Back Exhaust (Single Turndown): Jeep Wrangler 04-06 4.0L I6 - Aluminized

MBRP

Regular price $333.52 $269.99 19% off

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MBRP Cat Back Exhaust (Single Turndown) (REAR): Jeep Wrangler TJ Unlimited 4.0L (97-06)
MBRP Cat Back Exhaust (Single Turndown) (REAR): Jeep Wrangler TJ Unlimited 4.0L (97-06)

MBRP Cat Back Exhaust (Single Turndown) (REAR): Jeep Wrangler 04-06 4.0L I6

MBRP

Regular price $401.46 $324.99 19% off

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MBRP Cat Back Exhaust System (Single Side Exit, Black): Jeep Wrangler TJ 1997 - 1999 (2.5L & 4.0L)
MBRP Cat Back Exhaust System (Single Side Exit, Black): Jeep Wrangler TJ 1997 - 1999 (2.5L & 4.0L)

MBRP Cat Back Exhaust System (Single Side Exit, Black): Jeep Wrangler 97-99 4.0L/2.5L

MBRP

Regular price $426.16 $344.99 19% off

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MBRP Cat Back Exhaust (Single Side Exit): Jeep Wrangler TJ (97-06) 2.5L & 4.0L w/ Hardware
MBRP Cat Back Exhaust (Single Side Exit): Jeep Wrangler TJ (97-06) 2.5L & 4.0L w/ Hardware

MBRP Cat Back Exhaust (Single Side Exit): Jeep Wrangler 97-99 4.0L/2.5L w/ Hardware

MBRP

Regular price $352.05 $284.99 19% off

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MBRP Cat Back Exhaust System (Single Side Exit): Jeep Wrangler TJ 1997 - 1999 (2.5L & 4.0L)
MBRP Cat Back Exhaust System (Single Side Exit): Jeep Wrangler TJ 1997 - 1999 (2.5L & 4.0L)

MBRP Cat Back Exhaust System (Single Side Exit): Jeep Wrangler 97-99 4.0L/2.5L

MBRP

Regular price $401.46 $324.99 19% off

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Weapon R Secret Weapon Air Intake: Dodge Dakota 2005-2008

Weapon R Secret Weapon Air Intake: Dodge Dakota 2005 - 2008 (4.7L V8)

Weapon R

Regular price $517.13 $399.60 23% off

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Flowmaster American Thunder Exhaust System (Dual Rear Exit): Dodge Ram 4.7L V8 1500 2006 - 2008 (Aluminized Steel)
Flowmaster American Thunder Exhaust System (Dual Rear Exit): Dodge Ram 4.7L V8 1500 2006 - 2008 (Aluminized Steel)
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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.

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