SKU: 13910263202

1973-1976 GM HD / K20 Pickup 4" Lift Kit (BDS114FS)

Sale price$1246.88 Regular price$1385.42
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

1973-1976 GM HD / K20 Pickup 4" Lift Kit (BDS114FS)Take your 1973 1976 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 (Trimming may be required) 35 x 12. 5 with 15 x 8 and 3. 5 in. Backspace Leaf Springs Eliminates any need for a lift block. Reduces axle wrap

Take your 1973-1976 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
  • (Trimming may be required) 35 x 12.5 with 15 x 8 and 3.5 in. Backspace
  • Leaf Springs
  • Eliminates any need for a lift block.
  • Reduces axle wrap and creates a more controlled and stable feel.
  • Multi-leaf progressive design for a smooth ride.
  • Maintains factory payload weight ratings.
  • FOX 2.0 Performance Series
  • 2-inch Impact extruded aluminum body
  • Internal floating piston (IFP) monotube design
  • CNC machined 6061-T6 aluminum mounting ends
  • Massive 5/8-inch hard chrome plated heat-treated alloy steel shaft
  • Race-developed high-flow piston design
  • Application-specific valving to maximize performance
  • Long-lasting clear anodized finish
  • Front Lift Method: Leaf Spring
  • Rear Lift Method: Blocks
  • Shocks Included: Yes
  • Front Lift Height: 4 inch
  • Rear Lift Height: 4 inch
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.

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

Recommended Tires & Wheels

Includes two BDS001401, 73-91 GM 4in Front Spring, UPC Code 658848611164 Includes two BDS001409, GM 1/2 ton 4in Rear Spring-52 eye-to-eye, UPC Code 658848611188 Includes one BDS011002, 69-76 GM Front Box Kit (2.75 dia. front), UPC Code 658848611638 Includes two BDS071009, Rear 1/2 ton Bush/Slev Kt (ea), UPC Code 658848617364 Includes one BDS081401, 69-91 GM 4 Steering Arm, UPC Code 658848618064 Includes two FOX98224620, Fox 2.0 Shock 23.65 x 15.05 x 2- EB1/EB1 Includes two FOX98224639, Fox 2.0 Shock 30.05 x 18.45 x 2- EB1/EB1 Includes four UBT4032, 5/8 x 3-5/8 x 10 Round U-bolt, UPC Code 711745613300

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: 13910263202

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Kevin H.
Battle Creek, US
★★★★★ 5
RV owner.
Excellent product. Delivers the shine and protection as advertised.
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Reviewed in the United States on May 21, 2026
C
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Christina Mellies
Cuba, US
★★★★★ 5
Poli Glow used on bottom portion of the picture
Just put it on 21 foot RV, was impressed with the shine. Key is to make sure the applicator is moist. I periodically dampen with water. Realizing it wasn't going to revive the stickers. Question is How long it will last? What will it look like after it rains? Pictures attached, bottom portion was done with poli glow on June 7,2026 and I have just under a half of bottle left. Maybe I will update once it rains or how long the shine last.
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Reviewed in the United States on June 8, 2026
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Diego
Belleville, US
★★★★★ 5
It works miracles
I was amazed by the incredible difference it made on my RV. Check the pictures. The difference is of such a magnitude that we were amazed by the final results. Brought my rig back to life
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Reviewed in the United States on December 1, 2025
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SMK
Grantham, US
★★★★★ 5
This will work but prep is key!
I have an older RV that the gelcoat has dulled and is oxidized, but otherwise in good shape. I have buffed and polished in the past only for it to last a short time. I was looking up different products to try and this one has such good reviews, I thought I would give it a try. I bought the kit with the Poliglow and the Poliprep, with the scrubber and the microfiber glove. I started with the poliprep and it did a great job of gettting the streaks and black marks off. You spend a lot of time scrubbing to your likeness because anything that is still on the gelcoat when you apply the poliglow, it will be locked in there. The Poliglow is like a clearcoat that goes over the gelcoat. You have to build up layers and here are some of the tips and tricks I figured out that really helped my finished RV look great. First, make sure the applicator stays damp, this keeps the poliglow more uniform across the glove. Also, stick it in a zip lock bag when not using, you do not want it to dry out while you are using it. I found out that applying this in direct sunlight in warm temps, is the best method. This allows the poliglow to dry really fast. The first 3 or 4 layers will look streaky and dull but this is ok and as you build up the layers, the shine will come back. I found if you do this when its cooler, the layers do not dry as quick and you will get some permanent streaking or running. I had to remove a section I did in the evening because I noticed this. When in direct sunlight, this gave me the best results with no streaking or running. It dries fast and you can keep working. Like it says, do not do big sections at a time, keep it to small what you can reach sections and build those up and move on. As far as how much to buy? I have a 40 ft toy hauler and I got to kits and I had just enough to finish the whole thing minus the nose cap. I have Durabak on the nose cap, so I dont need to worry about that. I ended up buying one more bottle of the poliglow to have for my maintenance coats. Overall, I am pleased with how my 10 year old RV looks and other than some of the decals show age, it looks new again. If I were to buy a new RV, I would put this on right away and preserve the whole RV including the decals. Its not too expensive and its a lot of work, especially the prep, but it does end up with great results.
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Reviewed in the United States on July 21, 2023
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Gary Watkins
Natrona Heights, US
★★★★★ 5
Excellent shine
Excellent line of products. Looking at the picture, you can see what the camper looked like before the Poli Glow. To the left of the window is the after Poli Glow. It takes some elbow grease (follow instructions well) but well worth it.
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Reviewed in the United States on May 26, 2026

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