Which cars do the Sport X Coilovers for 2001-2004 GDB fit?

Cusco USA lists part number 667 64X CP for the Subaru Impreza WRX STI (GDB, 2001-2004). The Sport X Coilovers for 2001-2004 GDB kit comes with 12 kg/mm front and 9 kg/mm rear springs, so check the notes on this page for any model or year limits before ordering.

How is the damping adjusted?

Each damper carries a set of adjusters: high-speed and low-speed compression on the reservoir tank, plus rebound on the damper body. Turning them changes the damping force, so the car can be set softer for the road and firmer for the track. Start from the middle of the range. Make changes in small steps, one end of the car at a time, and note each setting so there is always a baseline to return to.

How much lower will the car sit?

Cusco lists a low-down setup of -45 mm front and -45 mm rear against stock, and a height adjustable range of - front and - rear. The final height depends on the car and the setup chosen, and an alignment is needed after any change, because camber and toe move with ride height.

Can the spring rates be changed?

Yes. The kit comes with 12 kg/mm front and 9 kg/mm rear springs, and Cusco lists optional rates of 9/10/11/14/16 kg/mm front and 7/8/10/11/12 kg/mm rear for this application. Stiffer springs suit a car on stickier tires; the standard rates suit most road and HPDE cars.

Can the dampers be rebuilt?

Yes. Cusco lists the Sport X Coilovers for 2001-2004 GDB as overhaulable, so the dampers can be serviced to restore their original damping rather than replaced. How often depends on use; a car that sees regular track days will need it sooner than a road car, and a rebuild is a good time to revalve if the setup has changed.

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Description

Cusco Sport X Coilovers for 2001-2004 GDB Subaru Impreza WRX STI

Cusco’s Sport X Coilovers for 2001-2004 GDB Subaru Impreza WRX STI are Cusco’s Sport X line: mono-tube dampers with external reservoir tanks, separate high- and low-speed compression adjustment and adjustable rebound, built to order. Springs are 12 kg/mm front and 9 kg/mm rear. Cusco rates the Sport X for street, autocross, HPDE and competition use, but its three-way adjustment is aimed at drivers who tune for each event. For most street and HPDE cars the simpler Sport S or Sport R will be easier to set up.

Design and Performance

The external reservoir moves the gas charge and extra oil out of the damper body, which keeps temperatures and damping consistent over long sessions and frees room for separate compression adjusters. High-speed compression controls how the kit reacts to curbs and bumps, low-speed compression controls body motion on turn-in and braking, and rebound controls how quickly the car settles.

Features

24-step high- and low-speed compression adjustment, with 24-step rebound front and 36-step rear
Mono-tube dampers with external reservoir tanks
Full-length adjustable bodies for ride height
12 kg/mm front and 9 kg/mm rear springs
Upper mounts: pillowball, camber adjustable front, pillowball, camber adjustable rear

Specifications

Cusco part number: 667 64X CP
Series: Sport X
Damper type: Mono tube with external reservoir tank
Damping adjustment, front: Comp-Low: 24-Way, Comp-High: 24-Way, Rebound: 24-Way
Damping adjustment, rear: Comp-Low: 24-Way, Comp-High: 24-Way, Rebound: 36-Way
Height adjustment: Full-length Adjustable
Spring rate, front: 12 kg/mm (approx. 672 lb/in)
Spring rate, rear: 9 kg/mm (approx. 504 lb/in)
Optional spring rates: front 9/10/11/14/16, rear 7/8/10/11/12 kg/mm
Height adjustable range: front -, rear –
Cusco low-down setup: -45 mm front, -45 mm rear
Upper mounts: pillowball, camber adjustable front, pillowball, camber adjustable rear
Overhaul: Serviceable by Cusco

Applications

Subaru Impreza WRX STI: GDB | 2001,2002 | Applied A & B (Aug 00 – Oct 02) / AWD
Subaru Impreza WRX STI: GDB | 2003,2004 | Applied C & D (Nov 02 – May 04) / AWD

Notes

A wheel alignment is needed after fitting the Sport X Coilovers for 2001-2004 GDB and after any ride height change

Frequently Asked Questions

Which cars do the Sport X Coilovers for 2001-2004 GDB fit? Cusco USA lists part number 667 64X CP for the Subaru Impreza WRX STI (GDB, 2001-2004). The Sport X Coilovers for 2001-2004 GDB kit comes with 12 kg/mm front and 9 kg/mm rear springs, so check the notes on this page for any model or year limits before ordering.
How is the damping adjusted? Each damper carries a set of adjusters: high-speed and low-speed compression on the reservoir tank, plus rebound on the damper body. Turning them changes the damping force, so the car can be set softer for the road and firmer for the track. Start from the middle of the range. Make changes in small steps, one end of the car at a time, and note each setting so there is always a baseline to return to.
How much lower will the car sit? Cusco lists a low-down setup of -45 mm front and -45 mm rear against stock, and a height adjustable range of – front and – rear. The final height depends on the car and the setup chosen, and an alignment is needed after any change, because camber and toe move with ride height.
Can the spring rates be changed? Yes. The kit comes with 12 kg/mm front and 9 kg/mm rear springs, and Cusco lists optional rates of 9/10/11/14/16 kg/mm front and 7/8/10/11/12 kg/mm rear for this application. Stiffer springs suit a car on stickier tires; the standard rates suit most road and HPDE cars.
Can the dampers be rebuilt? Yes. Cusco lists the Sport X Coilovers for 2001-2004 GDB as overhaulable, so the dampers can be serviced to restore their original damping rather than replaced. How often depends on use; a car that sees regular track days will need it sooner than a road car, and a rebuild is a good time to revalve if the setup has changed.

About CUSCO

CUSCO is the brand of Carrosser Co., Ltd., founded in December 1977 and based in Takasaki, Gunma Prefecture, Japan. Carrosser designs and builds coilovers, limited-slip differentials, clutches, roll cages and chassis parts, sells its steel cages under the Safety 21 name, and competes in every All Japan Championship category from circuit racing to rally and gymkhana. CUSCO USA, a division of Carrosser, is based in Huntington Beach, California.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Cusco Sport X Coilovers for 2001-2004 GDB Subaru Impreza WRX STI [667 64X CP]

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Cusco Sport X Coilovers for 2001-2004 GDB Subaru Impreza WRX STI

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About CUSCO

Reviews