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600527 - Defcon Bush Inserts

Defcon Bush Inserts
The Defcon System :

The Audi TT “Arms Race”!

You know what it’s about…  The original TT came with the now mythical “MK1” arms.  In 2001 the original suspension parts were changed to what are referred to as the “MK2” arms, and have essentially remained the same through the end of the first generation TT’s production in 2006.  The changes involved in the voluntary recall of early cars and incorporated since include:

1.  Rear spoiler added. 
2.  ESP made standard equipment. 
3.  The front lower control arm design changed.
4. Sway bar and shock rates modified.

The control arm change introduced understeer to the cars handling.  A solution to this change has been attacked on several fronts.  A common approach is to increase the rear and front anti-roll bar diameters.  Another recent solution is to install poly-urethane bushings in the front control arm bush position to dial out some understeer.

The “Holy Grail” solution for TT enthusiasts, though, has been to obtain a set of original MK1 control arms.  This has proven very difficult - and quite costly - if they can even be found at all.  Any original MK1 arms involved in the recall for the above modifications were destroyed.  Many arms have been changed without specific knowledge of their performance attributes during routine work conducted as part of this optional recall.

Now there is a new option in this “Arms Race”.  No longer do you have to scour eBay, hoping to get lucky by finding one of the few remaining MK1 arms or scour scrap yards, in search of ’00 model year cars that had not undergone the recall work.

Introducing the “DEFCON” MK1 conversion bushings.  These bushings convert your current MK2 arms, allowing them to accept OEM MK1 bushes (urethane MK1 front bushes are also compatible).  The change induced in your car’s handling is significant:  Faster turn in, significant reduction of understeer, and much more communicative steering feedback.  In addition, rear bushes can be replaced with new, unworn MK2 bushes, or with original (softer) OEM MK1 bushes, so you can either duplicate the original MK1 arm characteristics EXACTLY, or tune to your specific needs.

The DEFCON bushing is a precision component, machined from solid 6061-T6 aluminum billet stock.  The part is hard anodized, to guard against corrosion in the aggressive environment in which it must operate and lasermarked to indicate authenticity.  Installation is straightforward, but use of a high capacity press is suggested to ease installation.

Price: £102.12 inc VAT
$104.16 (approx)
€119.94 (approx inc. VAT)
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