551585-LT-3 LT Heavy Duty Truck GM R4 A/C Compressor Bracket Kit

This document provides installation instructions for the ICT Billet 551585-LT-3 A/C compressor bracket kit designed for LT Heavy Duty Trucks equipped with a GM R4 A/C compressor.

The kit includes USA-made materials, spacers, pulleys, and tensioners.

For technical support, contact sales@ictbillet.com or call 316-800-6959.

Visit www.ictbillet.com for more information.

Step 1: Mount Rear Bracket

This step involves mounting the rear bracket to the engine block. Ensure the water pump is removed prior to this installation.

Components used: Rear Bracket, M10 x 25mm bolt.

Step 2: Mount Front Bracket

Install the front bracket. This requires M8 x 140mm bolts with washers and 3 pieces of 4.40" spacers.

Components used: Front Bracket, 3pcs M8 x 140mm bolts with washers, 3pcs 4.40" spacers.

Step 3: Attach Compressor

Mount the GM R4 A/C compressor. This step utilizes 3 pieces of M10 x 150mm bolts, 3 pieces of M10 nuts, and 3 pieces of 1.34" spacers.

Components used: GM R4 A/C Compressor, 3pcs M10 x 150mm bolts, 3pcs M10 nuts, 3pcs 1.34" spacers.

Step 4: Install Tensioner Assembly

Assemble the tensioner mechanism. This includes the ribbed pulley, a .475" step spacer, a thick washer, and M10 hardware.

Components used: Tensioner, Ribbed Pulley, .475" Step Spacer, Thick Washer, M10 x 170mm bolt, M10 nut.

Important Safety Information (Proposition 65)

WARNING: Proposition 65 - This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

ALUMINUM: Most aluminum alloys used today contain some level of lead, usually less than 0.1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within. However, user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.

STEEL BOLTS: Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectively. This warning applies to stainless steels as well.

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