HEMI EXPERTS OF 20 YEARS

CALL US! (626) 337-3700

Your cart

Your cart is empty

4.7L /5.2L / 5.9L Engine Upgrades

SELECT YOUR VEHICLE

426 Results

OMIX Diff Cover Fill Plug Dana 30: Fits Jeep 1991-2009
OMIX Gas Cap Non-Locking: Jeep Wrangler 2003-2018 3.6L/4.0L V6
Banks Power AutoMind Programmer Hand Held: Fits Dodge/Jeep 1998-2014
usa

Banks Power AutoMind Programmer Hand Held: Fits Dodge/Jeep 1998-2014

Banks Power

Regular price $487.78 $439.00 10% off

Unit price
per 

Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010

Mishimoto Racing Thermostat Low Temp: Jeep Wrangler 2003-2010 2.4L / 3.8L

Mishimoto

Regular price $76.00 $68.95 9% off

Unit price
per 

American Racing Headers Long System HD 6-into-1 Header: Jeep Wrangler TJ 1998-2006 4.0L I6
usa

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
per 

MBRP XP Series Cat-Back Exhaust 3.5in Tip (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L
MBRP XP Series Cat-Back Exhaust 3.5in Tip (REAR): Jeep Wrangler TJ 2000-2006 2.5/4.0L

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
per 

PRW Steel Black Oxide Rocker Arm Adjuster Screws: Fits Chrysler / Dodge / Jeep / Ram (02-26)
usa
PRW Fabricated Polished Aluminum Valve Covers w/ Mounting Hardware: Fits Most Hemi Models
usa

PRW Fabricated Polished Aluminum Valve Covers w/ Mounting Hardware: Fits most Hemi Models

PRW

Regular price $297.43 $247.86 17% off

Unit price
per 

PRW Fabricated Aluminum Valve Covers (PAIR): Fits Most Hemi Models
usa
PRW Fabricated Aluminum Valve Covers (PAIR): Fits Most Chrysler / Dodge / Jeep / Ram 5.7L-6.4L HEMI Engines - Silver
usa
PRW Platinum Series Stainless Steel Shaft-Mount Rocker Arms Kit: Fits Most Hemi Models
usa
PRW High Performance Sportsman Harmonic Damper: 5.7L Hemi / 6.1L SRT8 / 6.2L Hellcat / 6.4L 392 Engines
usa

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 40 Series Chambered Muffler: Fits Chrysler / Dodge / Ram (04-14)
usa

Flowmaster 40 Series Chambered Muffler: Fits Chrysler / Dodge / Ram (04-14)

Flowmaster

Regular price $112.95 $101.95 10% off

Unit price
per 

JBA Shorty Headers (Raw Finish): Dodge Dakota (96-03) / Durango (98-03) / Ram (96-01) 5.2L & 5.9L V8
JBA Shorty Headers (Raw Finish): Dodge Dakota (96-03) / Durango (98-03) / Ram (96-01) 5.2L & 5.9L V8
MBRP Cat-Back 3" Single Side Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP Cat-Back 3" Single Side Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP Cat-Back 2 1/2" Dual Split Rear Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP Cat-Back 2 1/2" Dual Split Rear Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP Cat-Back 3" Dual Split Side Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP Cat-Back 3" Dual Split Side Exhaust: Dodge Ram 2004 - 2005 5.7L Hemi (Reg or Crew Cab / Short Bed)
MBRP Muffler Replacement: Dodge Ram 4.7L & 5.7L Hemi 1500 (09-10) / Ram 5.7L Hemi 1500 (11-24)
MBRP Muffler Replacement: Dodge Ram 4.7L & 5.7L Hemi 1500 (09-10) / Ram 5.7L Hemi 1500 (11-24)

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 (Dual Split Side Exit): Dodge Ram 1500 4.7L & 5.7L Hemi (02-18)
MBRP Cat Back Exhaust (Dual Split Side Exit): Dodge Ram 1500 4.7L & 5.7L Hemi (02-18)
American Brother Designs Custom Coolant Reservoir Cap Cover: Fits Dodge / Jeep / Ram (09-26)
American Brother Designs Custom Coolant Reservoir Cap Cover: Fits Dodge / Jeep / Ram (09-26)
cbp
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.

SELECT YOUR VEHICLE