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Complete FBSS Airbag Suspension Kit - 68-72 Datsun 521 - LEVEL 3

Your Price: $1,679.00
Retail Price:$1,890.00
Your Savings:$211.00(11%)
Part Number:BK131-3

Choose Options

Switch to Slam Specialties Rear Airbags?
Add a Second Air Tank?
Upgrade Air Compressors?
Upgrade to a ENDO Tank?
The 521 has been regaining popularity over the past few years- everyone wants a piece of minitruckin' history!  We're HUGE fans of old Datsuns, so we put these packages together to help you get yours 'bagged the right way!

Here's what's included:

  • Slam Specialties RE6 Front airbags- These 'bags fit nicely in the Datsun front end, and give you a nice ride.
  • Air Lift Dominator Rear airbags- 8" of travel, 1/2" ports, 600 psi burst rate 
  • AccuAir VU4 4-way Valve Manifold- Compact design, easy installation, four corner independent control
  • Viair 380 Chrome Compressor Dual Pack- includes two 200 psi chrome air compressors, relays, pressure switch, and more
  • 28" SEAMLESS ALUMINUM air tank- perfect size for your ride, aluminum won't corrode or rust. Mounting feet on bottom for easy installation in your trunk.
  • AVS 7 switch control box- this handheld controller hides easily and fits nicely in the palm of your hand
  • 50' roll of 3/8" DOT approved air line
  • Brass DOT approved PUSH-CONNECT air fittings- no leaks or failures with these quality parts! Watch out for inferior kits looking to save a buck by sending you plastic non-DOT fittings!!
  • Front airbag bracket set- welds onto your frame and lower control arms.
  • Rear airbag bracket set- designed to weld onto your frame rails and axle.
  • 8" Frame notch kit- 8 piece kit boxes in your frame, add additional clearance for drop.

Our LEVEL 3 kit builds upon LEVEL 2 specs, but upgrades the individual air valves for an AccuAir VU4 manifold valve for a simpler and more compact installation with less plumbing and wiring.

We recommend installing a 4 link system out back for the best ride quality- your leaf springs just won't get you as low as possible!  

We include complete installation guides for the installation of the airbags, as well as plumbing and wiring diagrams to make things as painless as possible. Feel free to ask any questions about putting this kit in and we'll be happy to assist!  We love hearing from our customers and seeing their projects come together.

AccuAir ENDO-VT Upgrade: Upgrading to the ENDO-VT will exchange the VU4 valve manifold, and the seamless aluminum air tank for a 5 gallon ENDO-VT valve tank. Comes in raw aluminum finish.

AccuAir ENDO-CVT Upgrade: This will exchange the AccuAir VU4 valve manifold, seamless aluminum air tank, and Viair 380C Dual Compressor Pack for a 5 gallon AccuAir ENDO-CVT in raw aluminum finish. The ENDO-C upgrade harness is also included.

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