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P59 LoadLeash Engine Brake Kit

kit#: P55006 **Discontinued**

Application: 2003-2006 Dodge RAM 2500/3500 w/ 5.9L Cummins Diesel Engines.

Notes: For early 2006 trucks. This kit needs an aftermarket Exhaust Brake to achieve the indicated performance. The Loadleash may be installed with ARP2000 studs (Part # 247-4202). If installed with ARP Custom 625 studs (Part # 247-4204), then Pacbrake Part #P55127 must be purchased.

  • Standard Transmission
  • Limited Warranty


The only Engine Brake for ISB 5.9L Diesel Engines

P59 LoadLeash Engine Brake Kit

Quick & Controlled Braking For Heavy Duty Trucks Just Got Easier!

As the only true engine brake available for the class 3-5 truck market, Pacbrake's LoadLeash provides big-rig engine braking performance when used in tandem with an aftermarket exhaust brake.

In addition to enhanced vehicle control & reduced brake fade, Pacbrake’s LoadLeash can extend service brake life by up to 500%.

  • Lightweight support housing replaces the factory valve cover spacer with no valve cover height increase.
  • Provides 300 retarding horsepower.
  • Easily serviceable
  • One per brake assembly
  • Automotive grade wiring w/ abrasion protection
  • Precision cast aluminum valve cover spacer
  • IP67 rated controller housing
  • Forged heavy duty bridges
  • SAE & ISO rated fittings
  • Intelligent controller
  • SAE rated hose

NOTE : This kit needs an aftermarket Exhaust Brake to achieve the indicated performance


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Technical Support

Please see the support documents to help you with your install. If you need more assistance, please call us at 800.663.0096 and speak with a customer service representative