Dirty Air El Grande 8-Valve Front And Rear Complete Fast-Up Tank System

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Vendor : Dirty Air

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  • For HD Touring models.  This kit includes (4) DIRTY AIR 2-valve manifolds valve, which allows you to run a dedicated air line to each shock and fork.  Ideal for lay-frame bikes.  If you do not have a lay-frame bike, you do not want this system.
  • Everything you need for front and rear fast air.  Custom built stainless steel tank, default design built with brackets to mount underneath the left saddle bag, hidden by stretched bags.  Includes (4) DIRTY AIR 2-valve manifolds valve.   Includes DIRTY AIR standard steel rear shocks, with polyurethane bushings and push lock fittings installed for 5/32" tubing.  Please note that if you're running a stock front end, you will need to add new fork caps to allow you to plumb air to your forks - If you have aftermarket trees, you should have a drilled/tapped hole for an air fitting in your leg extensions, let us know what size that hole is (varies by manufacturer) so we can get you exactly what you need.  System includes safety valve to prevent bike from lifting while unattended
  • Steel shocks measure 9.5" collapsed, 13.25" extended (measured bolt-center to bolt-center)

    4" Aluminum shocks measure 9.5" collapsed, 13.75" extended (measured bolt-center to bolt-center)

    5" Aluminum shocks measure 10.5" collapsed, 15.65" extended (measured bolt-center to bolt-center) and offer more travel than any other air shock, making them ideal for lay frame bikes to give you enough ground clearance to ride without having to max out the shocks.  Just note the collapsed height is approximately 10.5", so you'll need to build your lay-frame swingarm to lay frame at 10.5" shock height.

  • What's the difference between the steel and aluminum shocks?  Steel shocks have a pretty basic design inside and out.  This keeps the price low, and the shocks still ride well and are very reliable.  The aluminum shocks have a more advanced design inside and out - This allows for optimum reliability, as well as the most comfortable ride available and the best performance available.  They have a wider range of comfortable travel, so they're very easy to adjust and most people find that they can ride lower with these shocks.  If you are looking for the best air shocks available for your bike, these aluminum shocks are what you are looking for.

    Large tank under the left saddlebag will only work for models WITHOUT a left side exhaust pipe, and bikes WITH stretched saddlebags to cover the tank.  Large tank under left bag will NOT fit bikes with dual exhaust.  Bikes with dual exhaust will need to use the fender support mounted tank

    Large compressor with mount under the right saddlebag will only work for models WITHOUT a long right side exhaust pipe, and bikes WITH stretched saddlebags to cover the compressor.  Large compressor under right bag will NOT fit bikes with dual exhaust.  Bikes with dual exhaust will need to use the standard compressor

    '14-'20 Models with Boom Audio and '21-Later models with Rockford Fosgate Audio that includes stereo components inside the saddlebags will have fitment/clearance issues with saddlebag-mounted wire connectors, requiring re-routing of audio wires and connectors for fender support mounted tank and compressor.  

    2009-2013 models with "classic" 4-hole tab welded to saddlebag support for saddlebag guards or fender filler panels will not fit the fender support mounted tank or standard compressor without cutting the 4-hole tab off the saddlebag support.


Shipping charges for Ratchet's Den are as follows::

$0.00–$25.00 =  $4.95 USD

$25.00–$75.00 =  $9.95 USD

$75.00–$100.00 =  $14.99 USD

$101.00 and up =  $19.99 USD


Returning Goods

You are responsible for the cost and risk of returning item to us. You should send items to the following address:

13978 SW 139th Ct Miami Florida, 33186 USA

We cannot be held responsible for Goods damaged or lost in return shipment. Therefore, We recommend an insured and trackable mail service. We are unable to issue a refund without actual receipt of the Goods or proof of received return delivery.

Contact Us

If you have any questions about shipping and/or returns, please contact us:

  • By email: info@ratchetsden.com