Keep your lifted truck sitting at the height you want while adding the advantages of air suspension with the PacBrake HP10154 4 in ALPHA Air Suspension Spacer Kit. Designed for use with compatible 5, 000 lbs single and double convoluted ALPHA HD air springs. This spacer kit adds the extra clearance needed for lifted applications while allowing you to maintain adjustable suspension support. Made from durable carbon steel and finished with a black zinc protective coating. The HP10154 provides strong construction and resistance against corrosion. This spacer kit is a practical solution for lifted truck owners looking to integrate air springs without changing their desired vehicle height. Features:• Adds 4 in of height for lifted truck applications• Maintains air spring compatibility on raised vehicles• Provides additional clearance for proper suspension setup• Black zinc coating helps protect against corrosion• Bolt pattern fits compatible PacBrake air springsSpecs:• Brand: PacBrake• Product Type: ALPHA Air Suspension Spacer Kit• Model: HP10154 • Size: 4 in• Material: Carbon steel• Finish: Black zinc coating• Spring compatibility: 5, 000 lbs single and double convoluted air springs• Application: Universal fit on lifted trucks using ALPHA HD springs Corrosion-resistant finish Hardware included 4 in lift spacer | PacBrake 4 in ALPHA Air Suspension Spacer Kit, HP10154 in Black