BMW 3-Series (E90 E92) Forum - View Single Post - Product Release: HP Autowerks AST S/A & D/A Coilover System

HP Autosport · 05-26-2009, 07:04 PM

Proven on the street and track, this system is unmatched by any other system on the market. HP Autowerk's unique AST dampers matched with our custom Swift springs offers superb street manners and unmatched cornering capabilities for the track. Offering separate external compression(Double Adjustable Only) and rebound adjusters, the dampers can be tuned from street comfort to a full race setup in a matter of minutes.

Not looking for that slammed look? Or just want to retain stock ride hight, but want better handling? We can customize the spring rate and height for you! All other off the shelf coilovers can't do that for you!

We use the highest quality motorsport springs sourced from Swift. Why Swift?

Swift's R & D team created material, called H5S.TW, which is stronger then regular silicon chrome material. Because of this material, we could make the spring wire thinner, and could wind the springs with fewer coils, which greatly decreased weight while dramatically increasing available stroke.

We also use thrust sheets where possible. Here is why:

Thrust sheets provide a variety of benefits to coilover systems. As a spring becomes compressed the coils attempt to distribute the energy by unwinding. This is called twisted force. The unwinding makes the spring rate irregular. By allowing the spring to smoothly rotate around the perch during compression, the spring rate will return to normal. Thrust sheets also help dampening and rebound of struts too. Thrust sheet?s bearing action allowing the rotation of a spring allow the load on the spring to be more evenly Distributed which reduces lateral shock shaft load. Increased lateral load on shock shafts cause a reduction in the struts ability to rely on valves for dampening force.

*Coilover shown with optional helper/tender springs. Please call for specific applications.

*Camber plates are optional, but recommended for best handling performance

*We stock all popular rates of high quality Swift springs.

*Custom Swift spring length for customers looking for stock ride heights.

*Optional AST 5000 series dampers are available(5300 series shown above).

*Others may have this kit advertised at a much lower price, but it's without springs and Swift thrust sheets.

Applications for E36 and E46(including M3), E82, E90, E92, and E93.

Only HP Autowerk's AST and Swift combo comes with Swift thrust sheets and any Swift spring rates at no extra charge. That is a $150 value!

You may place your order here:

http://www.hpashop.com/product.sc?pr...categoryId=123

Complete AST 4100 Coilover System:

$2099.00 complete with Swift springs and thrust sheets

05-26-2009, 07:04 PM	#1
HP Autosport Supreme Allied Commander 3847 Rep 54,376 Posts Drives: F80 M3 Join Date: Mar 2007 Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com iTrader: (36)	HP Autowerks AST S/A & D/A Coilover System for your 325i 328i 330i 335i Proven on the street and track, this system is unmatched by any other system on the market. HP Autowerk's unique AST dampers matched with our custom Swift springs offers superb street manners and unmatched cornering capabilities for the track. Offering separate external compression(Double Adjustable Only) and rebound adjusters, the dampers can be tuned from street comfort to a full race setup in a matter of minutes. Not looking for that slammed look? Or just want to retain stock ride hight, but want better handling? We can customize the spring rate and height for you! All other off the shelf coilovers can't do that for you! We use the highest quality motorsport springs sourced from Swift. Why Swift? Swift's R & D team created material, called H5S.TW, which is stronger then regular silicon chrome material. Because of this material, we could make the spring wire thinner, and could wind the springs with fewer coils, which greatly decreased weight while dramatically increasing available stroke. We also use thrust sheets where possible. Here is why: Thrust sheets provide a variety of benefits to coilover systems. As a spring becomes compressed the coils attempt to distribute the energy by unwinding. This is called twisted force. The unwinding makes the spring rate irregular. By allowing the spring to smoothly rotate around the perch during compression, the spring rate will return to normal. Thrust sheets also help dampening and rebound of struts too. Thrust sheet?s bearing action allowing the rotation of a spring allow the load on the spring to be more evenly Distributed which reduces lateral shock shaft load. Increased lateral load on shock shafts cause a reduction in the struts ability to rely on valves for dampening force. Coilover shown with optional helper/tender springs. Please call for specific applications. Camber plates are optional, but recommended for best handling performance We stock all popular rates of high quality Swift springs. Custom Swift spring length for customers looking for stock ride heights. Optional AST 5000 series dampers are available(5300 series shown above). Others may have this kit advertised at a much lower price, but it's without springs and Swift thrust sheets. Applications for E36 and E46(including M3), E82, E90, E92, and E93. Only HP Autowerk's AST and Swift combo comes with Swift thrust sheets and any Swift spring rates at no extra charge. That is a $150 value! You may place your order here: http://www.hpashop.com/product.sc?pr...categoryId=123 Complete AST 4100 Coilover System: $2099.00 complete with Swift springs and thrust sheets Attached Images Last edited by HP Autosport; 10-01-2012 at 05:46 PM..
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