360 York Road, Niagara-On-The-Lake, Ontario, Canada

Proviso Plus P300A Air Suspension Kit

Part# PU8-300AC-CB

The kit includes:

  • 10"x8" Plastic Box with the Proviso Plus P300 module installed
  • Display with Mounting Bracket
  • P300 Main Harness
  • P300 Wheel Sensor and Decal Kit
  • P300 Wheel Sensor Extension Cable
  • Load Cell Sensor and Mounting Hardware
  • P300 Load Sensor Extension Cables
  • Temperature Sensor and Extension


The kit does not include:

  • The LACM Valve

The Proviso Plus P300 Kits

Proviso Plus P300 No Kit

Part# PR3-ANK

The kit includes:

  • Proviso Plus P300 Module Only


The module can be preset for Air, Spring, or Wlkingbeam.

(905) 641-0024

Proviso Plus P300M Walking Beam Kit

Part# PU9-300MC-CB-WB-W

The kit includes:

  • 10"x8" Plastic Box with the Proviso Plus P300 module installed
  • Display with Mounting Bracket
  • P300 Main Harness
  • P300 Wheel Sensor and Decal Kit
  • P300 Wheel Sensor Extension Cable
  • 3x Load Cell Sensor and Mounting Hardware
  • 3x P300 Load Sensor Extension Cables
  • 2x Temperature Sensor and Extension


The kit does not include:

  • The LACM Valve

LACM Valve

Part# AL091

This valve is used to control the lift axle. The valve will lift and lower the axle based on the pilot pressure. Once the axle is lowered, the ride bags pressure will match the pilot input.


This valve is not inlcuded in the Kits above because most trucks with factory installed lift axles, will already have one installed.

Proviso Plus P300M-E Spring Ride Kit

Part# PU9-300MC-CB-EN-W

The kit includes:

  • 10"x8" Plastic Box with the Proviso Plus P300 module installed
  • Display with Mounting Bracket
  • P300 Main Harness
  • P300 Wheel Sensor and Decal Kit
  • P300 Wheel Sensor Extension Cable
  • Load Cell Sensor and Mounting Hardware
  • 3x P300 Load Sensor Extension Cables
  • Temperature Sensor and Extension
  • 2x Encoder Sensor and Mounting hardware
  • 2x Mounting Brackets for Tuftrac and T-Ride suspensions
  • 2x P300 Encoder Cable2x


The kit does not include:

  • The LACM Valve