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Fortune Auto 500 Series Coilovers 09+ 370Z / 08+ G37

Your Price: $1,305.00
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Part Number:GEN5-500-

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Chassis / Spring Rate
09+ 370Z
08+ G37
Swift Spring Upgrade
No Thanks
Yes Please [+$350.00]
Radial Bearing Mounts
No Thanks
Yes Please [+$80.00]
Rear Extenders
No Thanks
Yes Please [+$45.00]
DIGRESSIVE* All Fortune Auto shock absorbers use Digressive piston technology. This technology allows for stiff low speed rebound force which helps give better control of driver inputs such as roll, dive and squat. However, at fast stroke speeds (i.e. high speed bumps) the suspension is kept supple in response to bumps and irregularities in the road. 

-Dyno tested
-Mono-Tube damper with high pressure nitrogen
-24-step rebound adjustable dampers
-Spherical Bearings
-IP synthetic 5w or 10w shock oil (prevents cavitation and promotes superior heat dissipation)
-T6 6061 Forged & Anodized aluminum mounts and camber plates
-Bright Dip Anodized 
-Height adjustment independent of pre-load
-5 year Manufacturer's Warranty (1 year on piston)
-Swift springs upgrade available 
-Rebuild-able in the USA
-Revalve-able in the USA
-Modularity - Upgradeable to 2-Way Canister*

-370Z Spring Rate (11k / 8k)
-G37 Spring Rate (11K / 8K)


Revised Jetting 
When the Fortune Auto engineers designed the Generation 5 Series, they made it a priority to revise the jetting for more accurate damper control. The engineers also increased the adjustment range. Every click in the adjustment range now has a very profound effect on damping force and each click is very audible and distinct. We responded to our clients' comments regarding the lack of audible distinction in the clicking mechanism. Our desire is to constantly refine our products using the valuable feedback from our clients, so we have addressed this issue with our Generation 5 shocks.

Stronger Piston Shafts
The data we have compiled through our racing program has been thoroughly implemented in our new Generation 5 Series. The delicate science behind the strength of piston shafts can be difficult to perfect. If the shaft is too hard, it will be brittle and break easily, but if the shaft is too soft it will bend too easily. Through extensive R&D we were able to achieve an optimal balance between shaft hardness and malleability in the Generation 5 Series to ensure peak safety and performance.

Lower Friction Shaft Seals
The new Generation 5 shaft seals have 40% less drag than our previous models. This provides for less hysteresis and for superior control of driver inputs. Our new seals are made of a specially formulated Buna rubber compound that provides a great balance between reliability and performance! Since the shaft seal is the most important seal on the shock, a stronger seal will greatly improve quality and performance. 

Improved Shaft Cap Design
Our new shaft caps utilize a twin O-ring design. Furthermore we have upgraded our rubber O-rings to Viton O-rings. The new Viton O-rings are made of a synthetic rubber compound which provides a superior tensile strength and a wider range of operating temperatures. This new design provides a superior seal preventing potential leaks from developing.

Structural Improvements
Utilizing our engineers' in-house design software we were able to revamp our whole line of suspension in the Generation 5 Series. We reinforced brackets and mounting points for more rigidity and strength.

Brake Line Brackets
Now most models will have OEM brake line tabs welded to the lower mounts. This provides the end user with a clean and safe install solution.

Digressive & Ultra Digressive Pistons
To ensure superior ride quality and driver control, the digressive piston technology on our 500 and 510 series has been carried over to the Generation 5 Series as well. All Generation 5 shock absorbers will continue to utilize our digressive piston technology on our 500 series models and ultra digressive piston technology on our 510 series models. Digressive piston technology allows for massive amounts of low speed rebound force that translates driver inputs into razor sharp control. Furthermore, the rebound force "blows off" to provide the driver with a supple and compliant ride while maintaining superior mechanical grip over rough surfaces. 

Dyno-tuned and Tested
Our commitment to providing the best shock absorber in the market has not changed with the Generation 5 Series. EVERY shock absorber is still dyno-tested at our facility. We do not spot check  our shocks like some other manufacturers. Once your shock absorber is built it is tested and matched. We refuse to treat our shocks with a “one size fits all” mentality. Our philosophy is simple: to provide our clients with a high quality, affordable, and personalized suspension solution.

Ultra Precise Shim Stacks
Shims are deflection disks that cover up the port holes on a piston. They regulate the fluid flow which generates the force found in a damper. "Valving" or "re-valving" of a shock is accomplished by using a variety of shims that will ultimately provide enough resistance and damping ability for a particular application. Minute differences in the shims' diameter and thickness are very critical; just a thousandths of an inch of variation in the dimensions can change a damper's force profile up to + or - 25%. The shims' consistency is crucial in matching shock absorbers to one another. Generation 5 dampers utilize a high-grade shim material made of Sandvik steel, ensuring precision matched dampers. 

Lightweight Internal Floating Piston
The new Generation 5 Internal Floating Piston is considerably lighter and uses a low-drag teflon band that drastically reduces friction. This allows the damper to react quicker to shock forces.

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