QA1 Coilover Adjustable Spring Lowering Kit - 52626-S700 ⚠ Check if this part fits your vehicle Select your vehicle to confirm fitment before you buy. Select vehicle QA1 52626-S700 Front Coilover Suspension Kit, 99-06 Silverado 2WD, Single Adjust Manufacturer: QA1 Manufacturer part number: 52626-S700 Old price: $2,658.64 Price: $2,225.73 Qty: Add to cart Ship to Select country United States of America Afghanistan Åland Islands Albania Algeria American Samoa Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia (Plurinational State of) Bonaire, Sint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo (Democratic Republic of the) Cook Islands Costa Rica Côte d'Ivoire Croatia Cuba Curaçao Cyprus Czechia Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Falkland Islands (Malvinas) Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard Island and McDonald Islands Holy See Honduras Hong Kong Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Isle of Man Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea (Democratic People's Republic of) Korea (Republic of) Kuwait Kyrgyzstan Lao People's Democratic Republic Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macao Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia (Federated States of) Moldova (Republic of) Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Macedonia Northern Mariana Islands Norway Oman Pakistan Palau Palestine, State of Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Réunion Romania Russian Federation Rwanda Saint Barthélemy Saint Helena, Ascension and Tristan da Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (Dutch part) Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and the South Sandwich Islands South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Sweden Switzerland Syrian Arab Republic Taiwan, Province of China Tajikistan Tanzania, United Republic of Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom of Great Britain and Northern Ireland United States Minor Outlying Islands Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Vietnam Virgin Islands (British) Virgin Islands (U.S.) Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe * Other * Shipping Method Name Estimated Delivery Price No shipping options Apply Custom wishlist OK Add to wishlist Add to compare list Email a friend Product Overview Upgrade the front suspension of your NBS truck with QA1’s complete coil-over and control arm kit. Designed for 2WD 1999–2006 Silverado and Sierra 1500s, this system includes tubular upper and lower control arms and QA1’s single adjustable coil-overs DIAL IN THE PERFECT STANCE QA1’s front coil-overs give you 1" to 3" of ride height adjustability right out of the box. Want to go lower? Pair them with QA1’s 2" drop spindles (Part Number: 9056-120) for a total drop range of 3" to 5" up front. Whether you're aiming for a subtle level or a slammed street look, this setup lets you get it just right. IMPROVED GEOMETRY WITH BOLT-ON CONTROL ARMS The included QA1 upper and lower tubular control arms are built to improve suspension geometry and increase strength over stock. They offer more clearance for coil-overs, reduce deflection under load, and help maintain proper alignment. RIDE QUALITY YOU CAN TUNE This kit features QA1’s single adjustable coil-overs, allowing you to set your preferred ride height and fine-tune damping with 18 clicks of combined compression and rebound adjustment. It’s easy to adjust on the vehicle and delivers a noticeable improvement in both comfort and control. STRAIGHTFORWARD, BOLT-ON INSTALL This system bolts directly into place using standard tools—no welding required. QA1 includes everything you need for a smooth install, with pre-installed ball joints and bushings in both control arms to save you time. MADE IN THE USA QA1 NBS suspension is proudly made in Lakeville, Minnesota and built to last with a durable powder coat finish. Fitment Notes: Fits 1999–2006 Chevrolet Silverado / GMC Sierra 1500 2WD with coil front suspension: Works exclusively with QA1 sway bar (Part Number: 52869) - does not fit with factory sway bar: Works with factory or QA1 drop spindles (Part Number: 9056-120): Not compatible with vehicles originally equipped with torsion bar front suspensionNote: Product Overview Upgrade the front suspension of your NBS truck with QA1’s complete coil-over and control arm kit. Designed for 2WD 1999–2006 Silverado and Sierra 1500s, this system includes tubular upper and lower control arms and QA1’s single adjustable coil-overs DIAL IN THE PERFECT STANCE QA1’s front coil-overs give you 1" to 3" of ride height adjustability right out of the box. Want to go lower? Pair them with QA1’s 2" drop spindles (Part Number: 9056-120) for a total drop range of 3" to 5" up front. Whether you're aiming for a subtle level or a slammed street look, this setup lets you get it just right. IMPROVED GEOMETRY WITH BOLT-ON CONTROL ARMS The included QA1 upper and lower tubular control arms are built to improve suspension geometry and increase strength over stock. They offer more clearance for coil-overs, reduce deflection under load, and help maintain proper alignment. RIDE QUALITY YOU CAN TUNE This kit features QA1’s single adjustable coil-overs, allowing you to set your preferred ride height and fine-tune damping with 18 clicks of combined compression and rebound adjustment. It’s easy to adjust on the vehicle and delivers a noticeable improvement in both comfort and control. STRAIGHTFORWARD, BOLT-ON INSTALL This system bolts directly into place using standard tools—no welding required. QA1 includes everything you need for a smooth install, with pre-installed ball joints and bushings in both control arms to save you time. MADE IN THE USA QA1 NBS suspension is proudly made in Lakeville, Minnesota and built to last with a durable powder coat finish. Fitment Notes: Fits 1999–2006 Chevrolet Silverado / GMC Sierra 1500 2WD with coil front suspension: Works exclusively with QA1 sway bar (Part Number: 52869) - does not fit with factory sway bar: Works with factory or QA1 drop spindles (Part Number: 9056-120): Not compatible with vehicles originally equipped with torsion bar front suspension Products specifications Attribute name Attribute value Manufacturer Part Number 52626-S700 UPC 806990233516 Brand QA1 Prop 65 - Short Label WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov Prop 65 Yes/No Yes Control Arm Color Black Front Shock Type Single Adjustable Grade Type Performance Rear Shock Type None Universal Or Specific Fit Specific Front Sway Bar Type None Rear Sway Bar Type None Country of Origin US Condition New 🚗 Compatible with 16 vehicles are compatible with this product · 1999–2006 Looking for fitment details? Add your vehicle and we'll show you instantly whether this part fits. + Add Vehicle