AST 4100 coilovers now available for EVO for $1899! and our GTWORX/JRZ GT2 Coilovers!
 

Finally a new coilover option at a realistic price, that doesn't suck! Awesome euro valving, tons of suspension travel, great USA support, great build quality, and a proven track record (used on the 2009 Redline Time Attack Street champion car).

Monotube, single damping adjustable, with Swift coilover springs.

All sets are CUSTOM....we can work with you on a desired spring rate to match your car and driving style.

$1899
AST 4200 double adjustable dampers available as well

http://ast-usa.smugmug.com/AST-Produ...01_7ms3d-M.jpg

Avoid the too much rebound, not enough compression damping, poor quality springs, clueless tech support, non-existent suspension travel, coilovers that are so widespread out there....and get something that WORKS!

TIME TO ROCK OUT WITH YOUR SHOCKS OUT!

GTWORX introduces a new affordable option from JRZ Suspension USA that uses our new camber and caster adjustable camber plates with their entry level 2 way damping adjustable coilover.

For more than a year, GTWORX and JRZ's lead race engineer have been working in the same building in Hanover, Maryland. This provided countless opportunities to extend our research and development opportunities even further. Both GTWORX and JRZ can provide excellent set-up and race support.


These are a 2 way adjustable, stainless steel damper designed with the vast engineering and chassis design experience of JRZ, available at a reasonable price from GTWORX. JRZ Suspension is one of the most advanced shock manufacturers in the world with wins in countless race series across the globe including ALMS, Grand Am, FIA GT, and more.

Swift Springs are used at rates from 350 lbs/in front and rear up to 850 lbs/in front and rear. The dampers utilize separate compression and rebound adjustments to help dial the shock in.

This suspension system can be considered a focused track day, time attack, or wheel to wheel set-up that offers outstanding performance with impressive ride quality on the street. Rather than sacrificing performance to maintain a livable ride quality, JRZ can engineer a shock to excel on a variety of surfaces and in a wide range of conditions.

These are perfect for time attack series where a 2 way adjustable shock is needed that does not use a remote reservoir and STILL has 200 psi of gas pressure.

Valving features:

• Adjustable orifices instead of a preloaded shim stack
• Two phase rebound valving
• Special attention paid to low-speed bump damping
• 200 psi of nitrogen pressure to prevent cavitation and provide “platform”

JRZ Suspension uses non-preloaded valve shims and adjustable orifices to control valving. Preloaded valve shims resist initial opening of the valves and build up force and result in a harsh feeling over bumps, which is undesirable in a street or race car.

Two phase rebound valving allows JRZ dampers to provide high levels of response from the piston without using preloaded valve shims. The primary valve stack consists of a main disc and supporting discs of decreasing diameters. This valve stack helps define low piston speed damping in conjunction with the adjustable orifices in the piston rod and is active in the initial opening of the valves. The secondary shim stack restricts the opening of the primary valve stack and controls mid and high velocity damping force

Compression/bump damping which provides "platform" for the car, normally recognized as a reduction in initial body roll, pitch, and dive. A blow-off valve is also present to reduce harshness during high piston velocity events.

Ample nitrogen pressure reduces cavitation and also helps provide "platform" to the car without directly increasing spring rate. Compression damping however does not rely on the gas charge like many other dampers.

These coilovers come with Vorshlag Camber/Caster Plates. These feature the biggest spherical bearing in the business that can withstand a beating without the harshness and noise of other camber plates. They allow for adjustment of camber and caster.

These JRZ coilovers feature a 1 year warranty and the world renowned technical support and assistance of both GTWORX and JRZ.

PRICING:

GTWORX/JRZ Coilovers

with

Vorshlag Camber Plates
JRZ rear top mounts
Swift Main and Helper springs

$4299 + shipping

Serious inquiries only.


Please inquire about JRZ applications for other vehicles (Porsche, BMW, Audi, Subaru, etc.)[/QUOTE]

Spring Rate
290 lbs/in Front

330 lbs/in Rear

Reviews:

Whiteline Geometry and Bushing Package - Still $419!

Whiteline Roll Center Kit
Whiteline Bumpsteer Correction Kit
Whiteline Rear Trailing Arm Bushings
Whiteline Front Control Arm Bushings


These Whiteline Geometry and Bushing parts correct the adverse effects of lowering an EVO while removing a lot of the "slop" from the stock bushings. Firmer bushings prevent dynamic changes in camber, caster, and toe, while the Roll Center Kit relocates the roll center of the car, correcting a side effect of lowering an EVO.

These parts make a great addition to GTWorx Suspension Stages or any coilover system.


http://www.gtworx.com/catalog/images/KCA388.jpeghttp://www.gtworx.com/catalog/images/KCA395.jpeg
http://www.gtworx.com/catalog/images/W0593.jpeghttp://www.gtworx.com/catalog/images/W0594.jpeg

....

tops.

I may end up on the list for the AST's sooner than expected... every time I see you post these I start drooling... knowing they are the ticket ending my suspension search...

free bump for great guys.

buuump and thanks!

wow, those AST coils are just the right. i was in the market for robispec kw clubsports, but these look more enticing. pricing with your camber plates please. shipped to 91710

sending PM.

buuump

are the AST 4100 for the IX?

Andrew, if the 4100's are available for the IX's please send me a PM so that we can discuss spring rates and other options.

Thanks!

What's the difference between the 4100 and the 4200? What about price?