KW Variant 3 coilover suspension - Porsche 911 C4, C4S & Turbo type 997 w/o PASM, 2006-2013
KW Suspension systems are a first choice for Porsche enthusiasts worldwide, for street, track day and motorsport applications. Fully designed and manufactured in Fichtenberg, Germany and proven on the Nurburgring Nordschleife, each KW coil over kit is subject to rigorous testing to ensure proper performance and function. KW's Variant 3 (V3) suspension kits feature stainless-steel INOX shock bodies, fully threaded with continuously adjustable ride-height, along with adjustable dampers and spring rates matched to the exact application. KW V3 kits offer a sporty ride and handling dynamic ideal for daily use, spirited road use, as well as regular track and autocross uses. Thanks to a wide range of adjustability and performance, V3 kits are a perfect match for Porsche enthusiasts wanting maximum performance with minimum compromise. KW V3 suspension kits offer performance and technology directly descended from their motorsport programs in IMSA, Pirelli World Challenge, FIA GT, VLN and other GT championships around the world.
- Fitment: Porsche 911 Type 997, 2006-2013
- Submodel: C4 & C4S Coupe (2006-2012), Turbo (2007-2013) w/o PASM. (Porsche Active Suspension Management)
Notes: Not for cars equipped with PASM. 2-way adjustable for rebound and bump (low-speed range bump only).
- Front lowering range: 25-45mm (C4, C4S), 20-40mm (Turbo)
- Rear lowering range: 10-40mm (C4, C4S), 20-40mm (Turbo)
- Front spring rate: progressive
- Rear spring rate: 970lb/in
Lüfteknic is a KW Performance and Motorsport partner for Porsche. We offer installation and alignment services for the full range of KW Suspension systems for Porsche vehicles, including Competition and custom fitments and applications.
KW V3 kits feature a 2-way, 16-click rebound adjustable / 12-click bump adjustable damper. Adjustments are made with a supplied removable adjustment knob from the top of the damper for rebound, and at the bottom of the damper for bump via an integrated knob, wherever possible. Raising the rebound damping rate will reduce the body motion of the vehicle and help to provide control and stability through corners and over the road, as well as allowing for minor changes to the overall handling balance. This is especially helpful for tuning to a specific wheel and tire package, allowing you to compensate for weight, tire pressure and traction differences. It also allows you to further fine tune the response and handling balance along with changes to sway bar settings and chassis set up, etc.
Raising or adjusting the low-speed bump rate allows you to manually effect body roll independently of other factors such as sway bar or spring rates. Typically, adjustment of the low-speed bump will not adversely effect ride quality as sharp jolts such as pot holes, frost heaves and expansion joints are handled by the damper's high-speed damping rates, which remain unaffected.
In short, raising the rebound rate will increase the firmness of the ride and reduce ride quality, with sharper handling and control. Lowering the rebound rate will provide a more comfortable, compliant ride at the expense of handling. Raising the low-speed bump rate will reduce body roll, while lowering it will allow for an increase in body roll and weight transfer.
KW's INOX-line stainless steel bodies are extremely durable in all conditions, and offer unmatched corrosion protection with a trapezoidal design and composite adjustment collars, ensuring years of trouble-free service and adjustment. Additional parts include either composite or aluminum upper spring hat for corrosion resistance and quiet operation, a polyamide intermediate ring (spring separator) again for quiet operation and proper spring locating, a high-quality bump stop with integrated dust cover, and premium chrome-silicone linear or progressive rate spring depending on application.
For more information about the full range of KW Suspensions and the differences in available models for Porsche, please see our KW information page.
KW Variant 3 summary:
- Rebound and compression damping adjustable damper technology
- Stainless steel technology "inox-line"
- Individual, continuous lowering
- TÜV-tested adjustment range
- High quality components for a long life
- Complete documentation for an easy handling
- Adjustable rebound damping with 16 exact clicks
- Adjustable compression damping with 12 exact clicks
- Unique, independent from each other working damping force adjustment
- Limited lifetime warranty to original purchaser
**Please note - image is for example only and is not intended to be an exact representation of the part number being sold.**
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