12 WAY ADJUSTABLE SHOCKS

Why Buy Boss Shocks?

BOSS shocks will not fade under hard use. The piston and bypass tube is continually submerged in oil. Thus keeping it cooler and displacing heat through the walls of shock.

1.Oil filled - 100% oil filled with a closed cell foam insert ensure continued high performance under harsh conditions.
2.Solid Construction - 22mm Hard Chrome Shaft, 60mm Body, Forged pin/loops, Chrome plated for durability.
3.Twin Tube Design - Our Twin tube shock can sustain extensive damage to the outer case before the working of the shock is affected.
4.Redesigned Boot - Tough ABS plastic boot for durability. Lasting longer than conventional rubber boots.
5. 12 way adjustment - 12 adjustable settings for rebound dampening allowing a huge range of adjustment for vehicle type and changing factors
6. Threaded Ends - Female threads at each end allowing the customer to install any fittings needed at each end to suit the application.

Twin tube Design

BOSS shocks are of "twin tube" design. This is for several Reasons:

  • The bypass tube for the rebound adjuster must return up the side of the shock, this goes between the piston sleeve and the outer case.
  • Second durability is off road, if a mono-tube shock gets rock damage to the body the piston will simply jam, wrecking the shock. Our twin tube shock can sustain extensive damage to the outer cases before the working of the shock is affected.
  • Thirdly the second skin of the shocks allows more room for oil, more oil attributes better heat displacement.
  • The twin tube design facilitates the closed cell insert which is there to compress when the shock shaft is inserted.

Shock Design

BOSS 12 way adjustable shock absorbers are at the forefront of shock absorber technology. 100% oil filled with a closed cell foam insert to ensure continued high performance under harsh conditions. Why 100% oil filled as opposed to gas/oil? Well it all comes down to cost.

  • Gas/Oil shocks are cheap to make because the nitrogen ( which is one of the cheapest gases available) Takes the place of where oil should be ( oil costs more)
  • If you pull one of these shocks apart you will notice there is only enough oil to cover the piston and valve. Once this small amount of oil gets hot it relies on the gas pressure to stop it aerating.
  • The higher the gas pressure the more chance the shock will not work at all when it gets hot because the pressure forces the valves open ( even pressure both sides also called cavitation.
  • BOSS shocks use a 22mm hard chrome shaft, dual seals ( wiper and oil) along with a 50mm outer body.

Measuring Shocks.

PLEASE NOTE, THIS CAN BE EXTREMELY DANGEROUS AND SHOULD ONLY BE DONE BY A COMPETENT, EXPERIENCED MECHANIC WITH A FULL ARRAY OF SAFETY EQUIPMENT. IF YOU ARE UNSURE IN ANYWAY ABOUT HOW TO PROPERLY JACK AND SECURE A VEHICLE TAKE IT TO A MECHANIC.

How To Measure Shocks?

A shock is measured by its extended and collapsed lengths. It is measured from the centre of the loop mount or hte base of the stud mount. 

Measure Extended Length

Remove it from the vehicle and allow it to expand on its own or pull it to the fully extended position and take a measurement. 

Measure collapsed Length

Compress the shock by hand or by using a strap and take a measurement.

Find a BOSS Shock

With the expanded and collapsed lengths of your current shocks, you will be able to find a suitable shock for your custom application

Measuring on lifted builds

You will need to measure from the centre of a loop/pin style mount to the other centre of a loop/pin style mount.

Measure Extended Length

You will need to jack and secure your vehicle and allow the suspension to drop. Jack the vehicle up until the wheel is off the ground, then lower it so the tyre is just on the ground. Take a measurement with the suspension at this point. If your vehicle currently has shocks on it, you will need to take removed them before measuring. As the shock could limit the suspension travel

Measure Collapsed Length

You will need to compress your suspension fully. To do this, you can drive up a ramp with one side of the vehicle until the suspension is fully compressed. Or put a jack under one wheel to compress it

Once you have the size

Once you have determined the correct size for your shocks, find one that is as close to possible to your measurements. Keep in mind that you may not find a shock that fits your vehicle exactly and that if available, More travel( a shorted collapsed length and longer extended length ) is preferable

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