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  Catalog > _ > AST > FREE SHIPPING AST 5100 1-Way Inverted Coilover Set
Free Shipping ANYWHERE in North America! Including the lower 48 states, Canada, Alaska, Hawaii, Puerto Rico, Mexico and the Caribbean!

AST 5100 coilovers are custom built with spring rates and valving that best suit your needs. They are inverted which both makes them extremely strong and significantly reduces unsprung weight. They are monotube which helps them handle heat very well and they give you a lot of rebound adjustment with a large piston diameter. These coilovers are built in Holland from high quality materials with some of the best shock craftmanship in the world. AST has a proven history in motorsports. These coilovers can also be upgraded to 2-way or 3-way adjustable with external resevoirs in the future. If you are spending $2k+ on coilovers don't settle for a compromised coilover set sitting in a box with one size fits all valving. If you want the best you want AST.

Cygnus Performance has a proven track record with suspension sales and support. We were one of AST USA's original dealers. We may not be the biggest shop out there, but we can provide the best tech support and product knowledge you will find for these cars. We can get you the best deal on AST and we can spend however much time it takes to ensure you are getting the best spring rates, valving, options and supporting mods for your car. We will also be here after the sale to help with a lifetime of unlimited tech support. Get more for your money with AST and Cygnus Performance.

Click Here to view a complete list of reasons to buy AST from Cygnus Performance

Spring rates for AST coilovers are metric. For those who think in pounds this will help:
5 kg/mm = 279.987073 lbs/in
6 kg/mm = 335.984488 lbs/in
7 kg/mm = 391.981902 lbs/in
8 kg/mm = 447.979317 lbs/in
9 kg/mm = 503.976731 lbs/in
10 kg/mm = 559.974146 lbs/in
11 kg/mm = 615.971561 lbs/in
12 kg/mm = 671.968975 lbs/in
13 kg/mm = 727.966390 lbs/in
Price:$ 2,339.05
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AST 5100 1-Way Inverted Coilovers

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