{"title":"1999–2006 Chevy Silverado \u0026 GMC Sierra Air Suspension","description":"\u003cp\u003eShop air suspension and chassis parts for 1999–2006 Chevy Silverado 1500 and GMC Sierra 1500 trucks from Ekstensive Metal Works. This collection includes complete front-and-rear air suspension systems, control arms, front cup kits, rear 2-link suspension, step notches, steering adapters and related parts.\u003c\/p\u003e\u003cp\u003eChoose the setup that matches your wheel size and build goals. EKMW offers front-cup configurations for smaller wheel combinations as well as control-arm systems for larger-wheel builds. Review each product for exact fitment, installation requirements and wheel-size recommendations.\u003c\/p\u003e\u003cp\u003eBuilding a complete truck? Pair the suspension with an EKMW air-management system, compressors, tanks, fittings and air line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated categories:\u003c\/strong\u003e \u003ca href=\"\/collections\/complete-air-kits\"\u003eComplete Air Ride Kits\u003c\/a\u003e, \u003ca href=\"\/collections\/air-management-kits-1\"\u003eAir Management\u003c\/a\u003e, \u003ca href=\"\/collections\/compressors\"\u003eCompressors\u003c\/a\u003e, \u003ca href=\"\/collections\/fittings\"\u003eFittings\u003c\/a\u003e, and \u003ca href=\"\/pages\/shop-by-vehicle\"\u003eShop by Vehicle\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"99-06-chevy-1500-f-b-17-22s","title":"99'-06' Chevy 1500 F \u0026 R Air Suspension Kit 20\"-22\" Wheels (Front Cups)","description":"\u003ch2\u003e1999–2006 Chevy Silverado 1500 Complete Air Suspension Kit — 20–22 Inch Wheels\u003c\/h2\u003e\n\u003cp\u003eThis EKMW complete air suspension package is designed for 1999–2006 Chevy Silverado 1500 trucks running 20-inch to 22-inch wheels. The package combines front cup-style suspension, a complete rear suspension system and the major air-management components required for a full air-ride installation.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1999–2006 Chevy Silverado 1500\u003c\/li\u003e\n\u003cli\u003eDesigned for up to 22-inch wheels\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDrop spindles are not required for this configuration\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKit includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFront cup kit with shock relocators\u003c\/li\u003e\n\u003cli\u003eComplete rear suspension kit\u003c\/li\u003e\n\u003cli\u003e4 Air Lift Dominator 2600 air bags with 1\/2-inch ports\u003c\/li\u003e\n\u003cli\u003eViair 444C chrome dual-pack compressors\u003c\/li\u003e\n\u003cli\u003e200 PSI pressure switch\u003c\/li\u003e\n\u003cli\u003ePAC 80 relay\u003c\/li\u003e\n\u003cli\u003e180A circuit breaker\u003c\/li\u003e\n\u003cli\u003e7-gallon 5-port air tank\u003c\/li\u003e\n\u003cli\u003e4 SMC 3\/8-inch valves\u003c\/li\u003e\n\u003cli\u003e2 EKMW rocker switches\u003c\/li\u003e\n\u003cli\u003eViair dual-needle air gauge\u003c\/li\u003e\n\u003cli\u003e50 ft of 3\/8-inch DOT air line\u003c\/li\u003e\n\u003cli\u003e25 ft of 1\/4-inch DOT air line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFittings included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 × 3\/8-inch PTC T unions\u003c\/li\u003e\n\u003cli\u003e4 × 3\/8-inch PTC × 3\/8-inch NPT straight fittings\u003c\/li\u003e\n\u003cli\u003e2 × 3\/8-inch PTC × 3\/8-inch NPT 90° fittings\u003c\/li\u003e\n\u003cli\u003e4 × 3\/8-inch PTC × 1\/2-inch NPT 90° fittings\u003c\/li\u003e\n\u003cli\u003e2 × 3\/8-inch PTC to 1\/4-inch PTC reducers\u003c\/li\u003e\n\u003cli\u003e2 × 1\/4-inch PTC × 1\/8-inch FNPT gauge reducers\u003c\/li\u003e\n\u003cli\u003e1 × 3\/8-inch PTC × 1\/4-inch NPT straight fitting\u003c\/li\u003e\n\u003cli\u003e2 × 3\/8-inch NPT brass tees\u003c\/li\u003e\n\u003cli\u003e4 × 3\/8-inch NPT brass nipples\u003c\/li\u003e\n\u003cli\u003e1 × 3\/8-inch NPT to 1\/8-inch NPT brass reducer\u003c\/li\u003e\n\u003cli\u003e1 × 3\/4-inch NPT to 3\/8-inch NPT brass reducer\u003c\/li\u003e\n\u003cli\u003e1 × 1\/4-inch NPT brass tee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional items required\u003c\/h3\u003e\n\u003cp\u003ePower wiring and thread-sealing tape for the fittings are required and are not included.\u003c\/p\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11086974019,"sku":"","price":2550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/04chevy1.JPG?v=1447857166"},{"product_id":"99-06-chevy-1500-f-b-24-28s","title":"99'-06' Chevy 1500 F \u0026 R Air Suspension Kit 24\"-28\" Wheels (Control Arms)","description":"\u003ch2\u003e1999–2006 Chevy Silverado 1500 Complete Air Suspension Kit — Control Arms\u003c\/h2\u003e\n\u003cp\u003eThis complete EKMW front-and-rear air suspension package is designed for 1999–2006 Chevy Silverado 1500 trucks using the EKMW front control-arm system. It combines the chassis suspension and major air-management components needed for a larger-wheel air-ride build.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; wheel size\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1999–2006 Chevy Silverado 1500\u003c\/li\u003e\n\u003cli\u003eDesigned to lay the truck with wheel sizes up to 26 inches\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFactory spindles are required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKit includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFront control arm kit\u003c\/li\u003e\n\u003cli\u003eComplete rear suspension kit\u003c\/li\u003e\n\u003cli\u003e4 Air Lift Dominator 2600 air bags with 1\/2-inch ports\u003c\/li\u003e\n\u003cli\u003eViair 444C chrome dual-pack compressors\u003c\/li\u003e\n\u003cli\u003e200 PSI pressure switch\u003c\/li\u003e\n\u003cli\u003ePAC 80 relay\u003c\/li\u003e\n\u003cli\u003e180A circuit breaker\u003c\/li\u003e\n\u003cli\u003e7-gallon 5-port air tank\u003c\/li\u003e\n\u003cli\u003e4 SMC 3\/8-inch valves\u003c\/li\u003e\n\u003cli\u003e2 EKMW rocker switches\u003c\/li\u003e\n\u003cli\u003eViair dual-needle air gauge\u003c\/li\u003e\n\u003cli\u003e50 ft of 3\/8-inch DOT air line\u003c\/li\u003e\n\u003cli\u003e25 ft of 1\/4-inch DOT air line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFittings included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 × 3\/8-inch PTC T unions\u003c\/li\u003e\n\u003cli\u003e4 × 3\/8-inch PTC × 3\/8-inch NPT straight fittings\u003c\/li\u003e\n\u003cli\u003e2 × 3\/8-inch PTC × 3\/8-inch NPT 90° fittings\u003c\/li\u003e\n\u003cli\u003e4 × 3\/8-inch PTC × 1\/2-inch NPT 90° fittings\u003c\/li\u003e\n\u003cli\u003e2 × 3\/8-inch PTC to 1\/4-inch PTC reducers\u003c\/li\u003e\n\u003cli\u003e2 × 1\/4-inch PTC × 1\/8-inch FNPT gauge reducers\u003c\/li\u003e\n\u003cli\u003e1 × 3\/8-inch PTC × 1\/4-inch NPT straight fitting\u003c\/li\u003e\n\u003cli\u003e2 × 3\/8-inch NPT brass tees\u003c\/li\u003e\n\u003cli\u003e4 × 3\/8-inch NPT brass nipples\u003c\/li\u003e\n\u003cli\u003e1 × 3\/8-inch NPT to 1\/8-inch NPT brass reducer\u003c\/li\u003e\n\u003cli\u003e1 × 3\/4-inch NPT to 3\/8-inch NPT brass reducer\u003c\/li\u003e\n\u003cli\u003e1 × 1\/4-inch NPT brass tee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional items required\u003c\/h3\u003e\n\u003cp\u003ePower wiring and thread-sealing tape for the fittings are required and are not included. Review the front control-arm product requirements before installation because the system uses factory spindles.\u003c\/p\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11086983107,"sku":"","price":3450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/100_0459.JPG?v=1447857208"},{"product_id":"99-06-1-2-ton-17-22in","title":"99'-06' Chevy\/GMC Silverado 1500 Front Cup Kit w\/ Shock Mounts","description":"\u003cspan\u003eFront mounting kit for the 1999-2006 Chevy GMC Fullsize 1500 Pickup. Kit includes an upper bag plate \u003c\/span\u003e\u003cspan\u003ethat will need to be welded onto the frame and a \u003c\/span\u003e\u003cspan\u003elower cup that is angled to push the bag away from the frame as the truck goes up and down.  A\u003c\/span\u003e\u003cspan\u003elso included in the kit is the upper and lower shock relocators. T\u003c\/span\u003e\u003cspan\u003ehis kit will lay your truck out on 22in wheels with a drop spindle and factory control arms. We offer a control arm kit for any wheels 24\" or higher.\u003c\/span\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11089428483,"sku":"CKF99","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/CupKit.png?v=1553117787"},{"product_id":"99-06-1-2-ton-22-to-28in","title":"99'-06' Chevy\/GMC Silverado 1500 Front Control Arm Kit","description":"\u003ch2\u003e1999–2006 Chevy Silverado \/ GMC Sierra 1500 Front Control Arm Kit\u003c\/h2\u003e\n\u003cp\u003eEKMW front air suspension control-arm kit for 1999–2006 Chevy Silverado 1500 and GMC Sierra 1500 2WD pickups. This system is designed for larger-wheel air-ride builds while maintaining the ability to properly align the truck and correct steering geometry.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1999–2006 Chevy Silverado 1500 \/ GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2WD only — not available for 4WD applications\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for 24-inch to 28-inch wheel-and-tire combinations\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFactory spindles required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKit includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpper and lower control arms\u003c\/li\u003e\n\u003cli\u003eFactory-style MOOG ball joints\u003c\/li\u003e\n\u003cli\u003eUpper bag plate\u003c\/li\u003e\n\u003cli\u003eUpper shock mount\u003c\/li\u003e\n\u003cli\u003eUpper-control-arm relocation tabs\u003c\/li\u003e\n\u003cli\u003eSteering adapter kit for the factory rack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGeometry \u0026amp; track width\u003c\/h3\u003e\n\u003cp\u003eThe steering adapter is designed to help correct steering issues and reduce toe and bump-steer problems associated with a heavily lowered air-suspension setup. The control arms narrow the front track width approximately 1 inch per side.\u003c\/p\u003e\n\u003ch3\u003eRequired spindle service\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eYou must ship your factory spindles to Ekstensive Metal Works so they can be drilled to fit the new ball joints and steering kit.\u003c\/strong\u003e This kit only works with factory spindles.\u003c\/p\u003e\n\u003cp\u003eReplacement ball joints are factory-style units and can be sourced through a local auto-parts store when service is needed.\u003c\/p\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":33270200500312,"sku":"","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/IMAG1287.jpg?v=1447861449"},{"product_id":"99-06-chevy-steering-adapter","title":"1999–2006 Chevy\/GMC Truck Steering Adapter Kit","description":"\u003ch2\u003e1999–2006 Chevy \/ GMC Truck Steering Adapter Kit\u003c\/h2\u003e\n\u003cp\u003eReplacement EKMW steering adapter pair for 1999–2006 Chevy and GMC full-size truck applications using the Ekstensive front control-arm system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1999–2006 Chevy \/ GMC full-size trucks\u003c\/li\u003e\n\u003cli\u003eReplacement component for the EKMW front control-arm kit\u003c\/li\u003e\n\u003cli\u003eSold as one pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe adapters are used as part of the EKMW steering-geometry correction setup on lowered air-suspension builds. Confirm that your truck is using the compatible Ekstensive control-arm system before ordering.\u003c\/p\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11089492803,"sku":"","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/99-06steering.JPG?v=1568219838"},{"product_id":"99-06-chevy-gm-1-2-ton-rear-air-suspension-kit","title":"99'-06' Chevy\/GMC Silverado\/Sierra Rear Air Suspension Kit - Up to 28\" Wheel","description":"\u003ch2\u003e1999–2006 Chevy Silverado \/ GMC Sierra Rear Air Suspension Kit\u003c\/h2\u003e\n\u003cp\u003eEKMW rear air suspension kit for 1999–2006 Chevy Silverado and GMC Sierra 1\/2-ton trucks. This setup uses a 2-link rear suspension, welded step notch, bag mounts, shock mounts and panhard-bar components to support a properly laid-out air-ride build.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; wheel size\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1999–2006 Chevy Silverado \/ GMC Sierra 1\/2-ton pickup\u003c\/li\u003e\n\u003cli\u003eDesigned to lay the truck with up to a 33-inch-tall tire\u003c\/li\u003e\n\u003cli\u003eCompatible with 26-inch to 28-inch wheel combinations when installed as intended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow the kit installs\u003c\/h3\u003e\n\u003cp\u003eThe one-piece notch slips over the frame and welds in place. Upper shock mounts are already welded to the crossbars. After the notch is installed, the frame is cut and boxed using the supplied filler pieces.\u003c\/p\u003e\n\u003cp\u003eThe 2-link bars install using the factory hangers and bolt to the axle using the supplied U-bolt kit. The bars include lower bag mounts, lower shock mounts and a 4-inch block.\u003c\/p\u003e\n\u003cp\u003eThe upper bag mounts are positioned over the 2-link bag mounts and welded in place. The notch already includes the panhard-bar frame mount; the axle-side mount is welded to the rear end.\u003c\/p\u003e\n\u003ch3\u003eLead time\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePlease allow approximately 10–14 business days for fabrication before shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eInstallation note\u003c\/h3\u003e\n\u003cp\u003eThis kit requires welding, frame cutting and fabrication. Confirm wheel and tire size, axle position and intended ride height before final installation.\u003c\/p\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11090986627,"sku":"","price":850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/99-06chevyrear1.jpg?v=1447864607"},{"product_id":"1999-2006-chevy-loose-notch","title":"99'-06' Chevy\/GMC Silverado\/Sierra Step Notch (Unwelded)","description":"\u003cspan\u003e99 - 06 Chevy 1\/2 ton complete step notch plate kit loose.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNotch is big enough to lay up to 28in wheels.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComes with 4 Step notch plates and the Fillers for the top and bottom of the notch.\u003c\/span\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11093543619,"sku":"","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/Ekstensive_99-06_Chevy_loose_Notch.jpg?v=1492873620"},{"product_id":"99-06-chevy-notch-with-bridge-bars","title":"1999–2006 Chevy\/GMC Silverado\/Sierra Welded Notch w\/ Bridge Bars","description":"\u003ch2\u003e1999–2006 Chevy \/ GMC Welded Step Notch with Bridge Bars\u003c\/h2\u003e\n\u003cp\u003eApplication-specific welded step notch for 1999–2006 Chevy Silverado and GMC Sierra 1\/2-ton trucks. Designed for air-suspension builds that need additional rear axle clearance and integrated mounting points for the rear suspension.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; wheel size\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1999–2006 Chevy Silverado \/ GMC Sierra 1\/2-ton\u003c\/li\u003e\n\u003cli\u003eDesigned for builds running wheel sizes up to approximately 28 inches when installed as intended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully welded step notch\u003c\/li\u003e\n\u003cli\u003eBridge \/ cross bars\u003c\/li\u003e\n\u003cli\u003eUpper shock mounts\u003c\/li\u003e\n\u003cli\u003ePanhard-bar frame mount\u003c\/li\u003e\n\u003cli\u003eFrame filler plates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation note\u003c\/h3\u003e\n\u003cp\u003eThis is a fabrication component and requires welding, frame cutting and proper structural installation. Confirm axle position, wheel\/tire size and intended laid-out height before final welding.\u003c\/p\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11093712195,"sku":"NTC99","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/9906chevynotch.jpg?v=1715110620"},{"product_id":"99-06-chevy-welded-no-crossbars","title":"99'-06' Chevy\/GMC Step Notch Welded NO Crossbars","description":"\u003cspan\u003e1999-2006 Chevy, GMC 1500 step notch welded up with loose filler plates. Lay up to 28in wheels. \u003c\/span\u003e","brand":"Ekstensive Metal Works","offers":[{"title":"Default Title","offer_id":11093724099,"sku":"","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/image.png?v=1589129682"},{"product_id":"99-06-chevy-fleet-side-rollpan","title":"99-06 Chevy Fleet side Rollpan","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBox location will be center only\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eThis rollpan comes with a compound curve to match the tailgate from left to right\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eALL ROLLPANS ARE CUT FROM 18 GAUGE AND HAND MADE IN THE U.S.A.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBY GrantFab\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e*** BUILD TIME 5-7 BUSINESS DAYS\u003c\/strong\u003e\u003c\/p\u003e","brand":"GRANTFAB","offers":[{"title":"SMOOTH \/ NO LIGHT","offer_id":39370669949016,"sku":null,"price":190.0,"currency_code":"USD","in_stock":true},{"title":"SMOOTH \/ ADD LICENSE PLATE LIGHT","offer_id":39370669981784,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"ADD BOX \/ NO LIGHT","offer_id":39370670014552,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"ADD BOX \/ ADD LICENSE PLATE LIGHT","offer_id":39370670047320,"sku":null,"price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5482\/products\/99-06.jpg?v=1619120456"}],"url":"https:\/\/store.ekstensive.com\/collections\/1999-2006-chevy-silverado-gmc-sierra-air-suspension.oembed","provider":"Ekstensive Metal Works","version":"1.0","type":"link"}