sold by the piece. these are used. 

ADJUSTABLE CASTER AND CAMBER IS made available by using offset bushings for when your kart frame needs fine tuning. Some karts use .5 and 1. degree bushings or .f and 1.f degree bushings. It depends on the frame year and model. The adjustments are made in .f, 1.0, and 1.5 degrees.FRAME INSERT HOLE ON THE C NEEDS TO BE 23 MM TO FIT.  Pills can be used top and bottom.  Most tuners use the top for their caster and the bottom to adjust camber. Each person should the top and bottom combo for their own preference on making the adjustments. If needed the top and bottom can be used for caster or camber depending on what you are trying to tune with the kart.  Are you trying to correct a problem with a frame. Purchase of these items gives you access to our technical experts.

 MRP Motorsport offers full tech support for any of our products offered on this site. As an importer and distributor for Birel since 1998 along with our racing school, we have a wide variety of expertise to offer any karting enthusiast. 

With Europe coming off holiday and the virus restrictions supplies have slowed to a standstill. Please plan ahead and get orders in early to avoid delays.

 Little things make a big difference and the quality of the Freeline products and  this case we are offering a single used adjustment pill called eccentric bushings,it is the 0.5 or half degree.  This is used in fine tuning the kart for specific chassis tuning. THIS IS A STOCK PHOTO OF THE TOP AND BOTTOM OF A SINGLE PIECE BEING OFFERED .  We have extras that can be purchased but the item is sold BY THE PIECE.   Full technical support is available for your purchases of the Freeline and Birel/Art purchases. 

Other options will be offered on this site.