SKU: 29824906771

1977-1987 K20 / Suburban 4" Lift Kit with NX2 Nitro Shocks (BDS124H)

Sale price$534.95 Regular price$594.39
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

1977-1987 K20 / Suburban 4" Lift Kit with NX2 Nitro Shocks (BDS124H)Take your 1977 1987 Chevy and GMC 3 4 ton truck or SUV to the next level with this 4 inch lift kit from BDS Suspension. Designed to improve stance, performance, and capability of the K20 and K25, this kit includes everything necessary to set your truck up right with clearance for up to 35 inch Tires. Features Front Lift Method: Leaf Spring Rear Lift Method: Blocks Shocks Included: Yes Front Lift Height: 4 inch Rear Lift Height: 4 inch The 3 4 ton

Take your 1977-1987 Chevy and GMC 3/4 ton truck or SUV to the next level with this 4-inch lift kit from BDS Suspension. Designed to improve stance, performance, and capability of the K20 and K25, this kit includes everything necessary to set your truck up right with clearance for up to 35 inch Tires.

Features
  • Front Lift Method: Leaf Spring
  • Rear Lift Method: Blocks
  • Shocks Included: Yes
  • Front Lift Height: 4 inch
  • Rear Lift Height: 4 inch
  • The 3/4 ton commonly came with a factory 56 inch eye to eye rear leaf spring. However, some were produced with a 52 inch rear spring. If ordering rear leaf springs, be sure to measure your factory rear spring before ordering.
  • If equipped with a factory front sway bar, a sway bar drop kit is available in the accessories section.
  • Some vehicle came with factory front dual shocks. If you wish to replace the factory duals, you must order the additional two auxiliary shocks in the options.
  • #001408 come with OE style rubber bushings installed.
  • Exhaust modification may be required to clear front driveshaft.
  • Easy, 100 percent Bolt-on installation
  • Glideride leaf springs to provide full lift height and increased capacity
  • New steering arm maintains proper steering angles for improved handling
  • Cast steel blocks and add-a-leaf provide level stance from front to rear
  • Standard NX2 Nitro shocks with vehicle-specific valving for better control
  • Upgrade to FOX 2.0 Performance Series shocks for maximum performance on and off-road
  • Included in the base system.
  • Made of cast iron for high strength.
  • Designed to provide correct pinion angles.
  • Nitrogen-charged
  • Twin-tube design
  • 10-stage velocity-sensitive valving
  • Dual-welded ends for increased strength
  • 1-3/8-inch high-flow piston
  • Self-lubricating seals
  • Silver powder coat finish
  • Includes two BDS001401, 73-91 GM 4 Inch Front Spring, UPC Code 658848611164
  • Includes one BDS011001, 77-87 GM Front Box Kit (3.00 dia. front), UPC Code 658848611621
  • Includes one BDS011408, GM 3/4 ton 4 Inch Rear Box Kit, UPC Code 658848611805
  • Includes one BDS081401, 69-91 GM 4 Steering Arm, UPC Code 658848618064
  • Includes two BDS85620, Shock- 23.10 x 14.25 x 2-3/8 - EB1/EB1, UPC Code 711745609402
  • Includes two BDS85639, Shock- 29.70 x 17.60 x 2-3/8 - EB1/EB1, UPC Code 711745609440
Details

Up front the lift kit includes Glide-Ride leaf springs, 4 inch steering arm for steering correction, brake line brackets and precision tuned NX2 nitrogen charged shocks. In the rear this kit utilizes a high-strength lift block, longer u-bolts and a matching set of NX2 Nitro shocks.

Glide-Ride Leaf Springs

Built to outperform, BDS engineered the Glide-Ride leaf springs into a multi-leaf progressive spring rate design that provides a smooth ride with any load. This is accomplished with an exclusive triple-stage leaf spring design. Upgrading to BDS Glide-Ride leaf springs will provide flexibility throughout the suspension cycle.

Rear Lift Option 4 Inch Block Kit

Shock Option NX2 Nitro Series

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 29824906771

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Grantham, US
★★★★★ 5
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2nd time to purchase this item over a 5 year period. The filter has a rigid frame making last much longer than other paper filters. Perfect fit and worth the cost. Great job filtering cabin and neutralizing odors!
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Reviewed in the United States on March 19, 2026
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Donte Davis
San Leandro, US
★★★★★ 5
Simple Upgrade That Makes a Real Difference
Style: CF10140 Classic
Installed the Zezut cabin filter in my 2005 Infiniti G35 and noticed the difference immediately. The air inside the car felt fresher and cleaner right away — no more stale air circulating through the vents. The HEPA backing is a big deal, knowing it's actually filtering out dust, pollen, and particles rather than just being a basic filter gives you real peace of mind. The quality feels solid and well made. Installation was super easy, took just a few minutes with no tools needed. For the price this is one of those simple maintenance upgrades that's absolutely worth doing. Your lungs will thank you. Great price and affordable, top choice for replacement in my opinion.
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Reviewed in the United States on April 27, 2026
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Andy...
Louisville, US
★★★★★ 4
Good filter.
Great filter works well .
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Reviewed in the United States on May 12, 2026
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Joe
Boise, US
★★★★★ 5
Efficient long lasting. Great Value
Style: CF10735 Classic
These filters (my second one) has lasted me over two years with a little maintenance in between, (removing from time to time to vacuum and shake out the bigger debris.) They do a great job of keeping the cabin air really clean and fresh. 1) Over designed and built (Good thing) installed without effort. 2) Fit and finish is perfect for my 2016 Genesis G80 3) Carbon filter works well but after about six months it no longer absorbs orders, This is excepted especially when I have not swapped it out for over two years. 4) Great value and honestly I should be replacing these cabin filters out ever six months for efficiency and order control. Note: When I decided to replace it the filter held up structurally as the day I installed it. The charcoal beads where all intact as well.
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Reviewed in the United States on January 30, 2026
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RadcoCorp.
Natrona Heights, US
★★★★★ 5
Better than OEM, AC is so fresh now!
Style: CF10374 Classic, Style: CF10374 Classic
YEEEEEEAHHHHH! This went straight from the mailman's hand to my 2010 Tacoma. -Fits better than OEM and Replacements! -AC smells so fresh now! -Easy installation without any complications. -Has a foam gasket around the filter that makes it fit like a glove, thight and secure! -Very Well Made and quality materials. Won't be returning this one, will actually buy it for the rest of my cars! ⭐️⭐️⭐️⭐️⭐️
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