What does the KW HLS 4 Lift System for 997 Porsche do?

It raises the front and rear axles of the 997 Porsche 911 GT3 by 30 to 45 mm at the press of a button, so driveways, ramps and speed humps stop scraping. A hydraulic cylinder sits between the spring perch and the main spring and expands on demand, then returns the car to its set ride height.

Does this kit fit a car on factory dampers?

No. This part number is the version built to mount onto KW coilover hardware, so the coilover kit has to be fitted first or bought alongside it. KW builds a separate HLS version for cars still running the original factory suspension, and the two are not interchangeable.

How much lift does the Lift System for 997 Porsche give?

The system provides 30 to 45 mm of additional clearance, roughly 1.2 to 1.8 inches, on both axles. That is enough to clear the ramps, driveways and speed humps that catch a lowered car, and the vehicle returns to its chosen ride height once the system is released.

Can the car be raised while it is moving?

Yes. Height is changed from a keychain transmitter and works with the car stationary or moving at up to 80 km/h, roughly 50 mph. Above that speed the control unit lowers the car automatically so the aerodynamic balance is not disturbed at speed.

Where does the hydraulic pump mount?

The pump installs in or near the spare wheel location. Because the system is commanded by a keychain transmitter, no extra wiring has to be routed through the cabin to a dashboard switch, which keeps the installation contained and reversible if the car is ever returned to standard.

Is the HLS 4 made by KW in Germany?

Yes. KW develops and manufactures the Hydraulic Lift System at its headquarters in Fichtenberg, Germany, alongside the coilover systems it is designed to work with. KW has built suspension there since 1995 and supplies vehicle manufacturers, professional tuners and race teams worldwide.

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Description

KW HLS 4 Hydraulic Lift System for 997 Porsche 911 GT3 with KW Coilovers

KW’s Lift System for 997 Porsche 911 GT3 answers the one question a 997 GT3 owner eventually asks: how much more is in there. Porsche built the car around a Mezger engine and a chassis homologated for racing, and it responds to damping the way few road cars do. KW develops and manufactures this system at its own works in Fichtenberg, Germany, on the rigs it built for its motorsport programmes, and the result is a 997 that holds its line under load without surrendering the delicacy the GT3 is bought for. For an owner who already understands what the car is, this is the next honest step.

How It Works

With the Lift System for 997 Porsche fitted, a hydraulic cylinder unit sits between the spring perch and the main spring at both axles. When the system is activated the cylinder expands and lifts the car; when it is released the car settles back to its set height. The pump mounts in or near the spare wheel location and is commanded by a small keychain transmitter, so no additional wiring has to be routed through the cabin. The electronic unit lowers the car automatically once road speed passes 80 km/h, which keeps the aerodynamic balance intact at speed.

Features

The Lift System for 997 Porsche adds 30 to 45 mm of clearance on demand
Keychain transmitter operation with no cabin wiring required
Operates with the car stationary or moving at up to 80 km/h
Automatic return to set ride height above 80 km/h
Hydraulic pump mounts in or near the spare wheel location
Built for cars already running KW coilovers
Developed and manufactured in Fichtenberg, Germany

Specifications

Lift range of the Lift System for 997 Porsche: 30 to 45 mm (1.2 to 1.8 in)
Axle coverage: front and rear axles
Maximum operating speed: 80 km/h (approximately 50 mph)
Control: keychain radio transmitter
Base suspension required: KW coilovers
Shipping weight: 42.9 lb
Ride height adjustment: front 0.0 to 0.8 in, rear 0.0 to 0.8 in below factory

Applications

Porsche 911 GT3 RS 4.0: 997 | 2011 | 4.0L flat-six
Porsche 911 GT3 RS: 997 | 2007-2008 | 3.6L flat-six
Porsche 911 GT3 RS: 997 | 2010-2011 | 3.8L flat-six
Porsche 911 GT3: 997 | 2007-2008 | 3.6L flat-six
Porsche 911 GT3: 997 | 2010-2011 | 3.8L flat-six

Notes

The HLS 4 raises both axles.
This is an upgrade for a car already fitted with KW coilovers. It mounts to the existing KW coilover units and is not a suspension system in its own right, so it will not fit a 997 Porsche 911 GT3 running factory dampers. The matching coilover kits are KW V3 Coilover Kit for 997 Porsche 911 without PASM (35271024) and KW V3 Clubsport Coilover Kit for 997 Porsche 911 with PASM (35271824) and KW V4 Clubsport Coilover Kit for 997 Porsche 911 (39771224).
For a 997 Porsche 911 GT3 still on its original suspension, the KW HLS 2 Hydraulic Lift System for 997 Porsche 911 GT3 with OE Suspension (2007-2008) (19271624) is the correct version
KW also sells the coilover kit and lift system together as one part number, which is the better buy if neither is fitted yet: KW V3 Coilover Kit with HLS 2 for 997 Porsche 911 GT3 (35271224) and KW V3 Coilover Kit with HLS 4 for 997 Porsche 911 GT3 (35271424)
Cars with factory electronic damper control need that system disabled. The KW ESC Module for 997 Porsche 911 Coupe (68510168) prevents fault messages once the original dampers are removed.
The system carries hydraulic pressure and requires bleeding after assembly, so professional installation is recommended

Frequently Asked Questions

What does the KW HLS 4 Lift System for 997 Porsche do? It raises the front and rear axles of the 997 Porsche 911 GT3 by 30 to 45 mm at the press of a button, so driveways, ramps and speed humps stop scraping. A hydraulic cylinder sits between the spring perch and the main spring and expands on demand, then returns the car to its set ride height.
Does this kit fit a car on factory dampers? No. This part number is the version built to mount onto KW coilover hardware, so the coilover kit has to be fitted first or bought alongside it. KW builds a separate HLS version for cars still running the original factory suspension, and the two are not interchangeable.
How much lift does the Lift System for 997 Porsche give? The system provides 30 to 45 mm of additional clearance, roughly 1.2 to 1.8 inches, on both axles. That is enough to clear the ramps, driveways and speed humps that catch a lowered car, and the vehicle returns to its chosen ride height once the system is released.
Can the car be raised while it is moving? Yes. Height is changed from a keychain transmitter and works with the car stationary or moving at up to 80 km/h, roughly 50 mph. Above that speed the control unit lowers the car automatically so the aerodynamic balance is not disturbed at speed.
Where does the hydraulic pump mount? The pump installs in or near the spare wheel location. Because the system is commanded by a keychain transmitter, no extra wiring has to be routed through the cabin to a dashboard switch, which keeps the installation contained and reversible if the car is ever returned to standard.
Is the HLS 4 made by KW in Germany? Yes. KW develops and manufactures the Hydraulic Lift System at its headquarters in Fichtenberg, Germany, alongside the coilover systems it is designed to work with. KW has built suspension there since 1995 and supplies vehicle manufacturers, professional tuners and race teams worldwide.

About KW

KW automotive has developed and built suspension in Fichtenberg, Germany since 1995, and supplies coilover systems to vehicle manufacturers, professional tuners and race teams worldwide. Every KW damper is engineered in house, validated on the company’s own 7-post shaker rig and kinematics test benches, and manufactured at the Fichtenberg headquarters rather than sourced from a contract supplier. The application list runs to more than 4,600 fitments, from road cars to GT racing machinery.

Additional Information

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Shipping Policy

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BP Pricing Difference

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KW HLS 4 Hydraulic Lift System for 997 Porsche 911 GT3 with KW Coilovers [19271424]

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KW HLS 4 Hydraulic Lift System for 997 Porsche 911 GT3 with KW Coilovers

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