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SKU: BCRF-25-DS

BC Racing Coilovers NEW DS Series is perfect for street driving and occasional road course duty. With easily accessible adjustment knobs for fine tuning your compression/rebound and separately adjustable ride height, having a performance coilover system couldn't be any easier. You choose how low or high you want your vehicle, no preset ride height here, and patented concave lower locking ring keeps it locked in.

BC RACING DS SERIES COILOVERS

BC Racing Coilovers NEW DS Series is perfect for street driving and occasional road course duty. With easily accessible adjustment knobs for fine tuning your compression/rebound and separately adjustable ride height, having a performance coilover system couldn't be any easier. You choose how low or high you want your vehicle, no preset ride height here, and patented concave lower locking ring keeps it locked in. Ride height is adjusted by raising and lowering the shock body; this maintains the same ideal damper stroke at ALL ride height levels for the best ride under any conditions. The pillowball mount option provides the most available feedback possible from your suspension and to sharpen your steering response. All this while providing a strong, attractive looking coilover system.

The DS series BC Racing Coilovers use a large 44mm diameter piston in a 53mm diameter damper body to maximize oil capacity. As the damper unit operates the oil contained within heats up. The viscosity of oil changes as it's temperature varies which can lead to changes in the damping characteristics of the unit.

BC Racing Coilovers use a very high quality oil with their coilovers but go that extra mile to maximise performance and build their DS range with a large 53mm diameter damper body. This increases the capacity of the unit which increases the volume of oil which in turn reduces the peak temperature and significantly improves damper performance.

DESIGNED TO MAXIMIZE DRIVER FEEL

BC Racing Coilovers new proprietary digressive piston design offers increased dampening force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g roll, pitch, dive, and quick weight transitions on technical road courses. This is the key difference between the BC Racing DS series and DS series, but makes the biggest difference where it counts!

KEY FETURES INCLUDE:

  • Mono-tube Shock Design
  • Digressive Piston and Damping Curve
  • Satin Chrome Finished Shock Body
  • 30 levels of Damping Force Adjustment (Compression/Rebound) Simultaneously
  • Pillowball Mounts
  • Height Adjustable via Shock Body Maintains Damper Stroke At All Ride Heights
  • Fully Rebuildable With All Parts Available

CORNER WEIGHT ADJUSTMENT

The lower spring platform of the BC Racing coilovers are adjustable. This allows the car to be set up for corner weighting to achieve perfect balance and ensures that maximum tyre efficiency is achieved.

The car needs to be placing equal weight on each tyre on an axle so both front tyres need to be taking equal loading as do both rears. This makes sure that both tyres are doing their equal share of work when cornering which increases overall grip, maximises corner speed and reduces lap times.

RIDE HEIGHT ADJUSTMENT

Ride height is determined by the position of the coilover bottom mount. The mount can be wound up and down the damper body to give a full range of adjustment from near standard ride height to so low it wouldn' be drivable on the road.

Because ride height is determined by an adjustable bottom mount rather than spring platform you retain full damper travel regardless of the ride height run.

DAMPING ADJUSTMENT

BR coilovers feature 30 way damping adjustment that combines both rebound and compression in one adjuster for simplicity and ease of use. This adjustable facility allows you to fine tune the vehicle to meet the relevant conditions.

By tweaking front and rear damping you can adjust the way the car handles. Increasing damping force on the rear relative to the front, for example, will start moving the vehicle into a more oversteer orientated stance.

If you want to go drag racing in a rear wheel drive car then you want the back of the car to squat off the line to maximise weight transfer to the rear and therefore onto the rear tyres. This maximises traction and helps prevent wheel spin. To achieve this you would soften the rear dampers to allow faster compression. If you had the rear dampers set to hard, as you might run the car on a race track, then the car would be less inclined to squat so traction would be reduced.

Conversely, if you want to go drifting and are finding it hard to break traction and are having problems with understeer then making the rear dampers harder will help reduce traction whilst making the front dampers softer will give greater front traction. This will make the rear of the car looser whilst minimising understeer thus altering the vehicles handling characteristics more towards drift than drag, road or track.

PILLOWBALL (ROSE JOINT) UPPER MOUNT

Many of the BC Racing DR coilovers come with pillowball upper mounts. The mount itself is made from aluminium alloy, anodised and then bead blasted to give a high quality, durable finish.

The pillowballs themselves are of Japanese manufacture and their solid nature eliminates any flex or play associated with the standard rubber mounts so improving response and handling.

CAMBER ADJUSTMENT

If its possible to include camber adjustment on your vehicle then the BC Racing coilovers automatically include camber adjustable aluminium pillowball top mounts. These feature the same high quality Japanese manufactured pillowball but give the added benefit of an adjustable top mount that allows camber to be set to suit your needs be it road, track or drift.

CORROSION PROTECTION

The damper units are black chromed steel to give superb durability even through the darkest of European winters. The aluminium components (top mounts, locking collars etc) are anodised and the steel lower mounts go through an electrophoretic disposition process followed by powder coating. A random selection of steel components (brackets, dampers, screws etc) are put through a salt spray test once a month to check the quality of the protective processes and that anti corrosive properties are kept at the highest possible standard.

HIGH QUALITY COIL SPRINGS

BC Racing coilovers only use the highest quality steel for their spring manufacturer. They are produced from SAE9254 high strength durable cold wound steel.

The springs are compression tested through over 500,000 cycles with less that 5% deformation.

PATENTED CONCAVE LOWER LOCKING COLLAR

Coilovers use a locking collar to prevent the bottom mount becoming loose. If the bottom mount becomes loose then the damper body can work its way down into the bottom mount so reducing ride height on that one corner which can lead to dangerous handling characteristics. This is a very common problem for coilovers in general. BC Racing utilise an innovative and patented designed lower locking collar with a bevelled edge that seats into a corresponding bevel in the coilover bottom mount. This vastly increases the surface area that the locking collar works on and so prevents the common and dangerous problem of the locking collars working loose.

HIGH QUALITY OIL

BC Racing dampers use a sophisticated shim stack design and high quality oil to consistently control the compression and rebound speed of the damper rod even under the most extreme conditions.

As the vehicles travels over rough ground the compression and rebound motion of the damper rod heats the oil. Poor quality dampers use cheap oil whose characteristics alter with varying temperatures. Its vital that high quality oil is used that can maintain consistent viscosity under a wide temperature operating range. Once the oil start to degrade, its properties change leading to damping changes leading to changes in the vehicles handling characteristics.

BC Racing ensures that only high quality oil is used so that damping rates are maintained not only for the moment in hand (i.e. whilst out for a back road blast on or track) but that long term longevity is maximised with oil that doesn't degrade quickly over time thus extending the dampers operating life significantly.

NITROGEN PRESSURISED DAMPERS

When you work a damper hard on track or on high speed bumpy roads you can cause the oil to aerate and cavitation can occour. This causes foaming which effectively reduces the oils viscosity and so reduces the units damping effect. High quality oil goes a long way to help reduce this problem but BC Racing go one step further and pressurise the dampers with nitrogen. The nitrogen exerts a pressure on a floating piston which in turn exerts a permanent pressure on the oil dramatically reducing aeration and so improving the consistency and quality of the damping. The pressurised nitrogen also adds an additional element of effective spring rate to the damper unit.

BEARING MOUNTED UPPER SPRING PLATFORM

Because the spring twists as it compresses it is very important to minimise stiction between the spring and its seats. If this tension is not relieved then spring binding can occur leading to the spring rate effectively altering slightly as the spring compresses and extends. The tension generated can lead to rapid deterioration of the spring pearches and in extreme cases can cause the spring platform and locking collars to loosen. This can lead to the platform and locking collars "walking" down the damper resulting in un even ride height and danger of the spring dislocating under full damper extension.

The friction between spring and seats also has an effect on steering effort as the springs are physically turned with the wheels. This introduces additional unnecessary friction into the steering system which has a knock on detrimental effect on the vehicles handling characteristics.

The bearing mounted upper spring platform is one of BC Racings innovative designs. By vastly reducing stiction between the spring and its seats the BC Racing units avoid the above problems thus improving the efficiency of the steering system and allowing the spring and damper to work as designed.

With multiple distribution centers across the nation, we strive to provide the best and fastest shipping solution for your orders. Most in stock items will be shipped within 1-2 business days unless it is being shipped from manufactuer directly. Stock information on the website might be delayed/inaccurate, please click the help button at the bottom of the page for the most up-to-date information.

 

Carriers

JDMuscle ships via multiple carriers such as FedEx, UPS, USPS, and DHL. We cannot guarantee the shipping company used to deliver your products. Your order may be shipped in multiple boxes from different carriers.

 

Process Time and Cut-off Time

Orders take 24hrs to process and transit times vary. Shipping cut-off for JDMuscle is 3:00pm EST. Freight shipping will require an appointment for pick-up which might take a few days extra.

 

Fees

International orders are subject to higher shipping fees then notified on the site and we reserve the right to add to it. Any modifications to an address after the order is placed may subject to a fee. The flat rate fee for a single smaller package is $20, and for larger or multiple packages the fee is not limited to $60. For International shipping please send us an email(sales@jdmuscleusa.com) with your full address and items to purchase.


 
Freight Shipping(Please read carefully)

Any orders shipped Via Truck Freight which requires you to be available at the time of receipt. There is a possibility the trucking company will try to schedule a delivery time with you. At the time of delivery, the driver will hand you the delivery receipt also referred to as the bill of lading, you will use this to notate any damages to the shipment. It is important that you fully inspect the shipment from all sides and notate any dents, punctures or rips in the outside packaging on the delivery receipt. Once you've inspected your shipment from the outside, you will need to open it and check the product in its entirety for damages and notate them if any. If there is no damage sign for the package and enjoy! In the rare case, you do find that your order arrived with damages, it is important you follow these steps. 

- Do not refuse the product 

- Document the damages in as much detail as possible on the Bill of Lading 

- Take numerous photos from all angles (including packaging) 

- Keep the product and contact the shipping company to start the damage claim 

- Contact us either by phone or email for the next steps In the situation where the delivery driver is unable to wait for you to open and inspect your product, simply document "driver was unable to wait for inspection." 

All damage must be noted on the Bill of Lading before signing and initiating a damage claim. If the damage is not notated before signing for the item it is assumed to be in good condition. This will forfeit the ability for a shipping claim and you will not be eligible for refund or replacement.

 

Returns

Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. Please send an email to sales@jdmuscleusa.com to set up a return.Please do not send your purchase back to the manufacturer.
 
 To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
   

Additional non-returnable items:

  • Gift Cards
  • Special-ordered / custom item
  • Wheels

There are certain situations where only partial refunds are granted (if applicable) 

  • Any item not in its original condition, is damaged or missing parts for reasons not due to our error
  • Any item that is returned more than 30 days after delivery

 

Cancellation

You have 7 days to cancel an order, once the order has been packaged/ tracking number has been created, a cancellation is not allowed.

Full refund will be issued if the order has not been shipped, otherwise buyer will be responsible for a 10% restock fee and return shipping.

Special-ordered item cannot be canceled.


Refunds (if applicable)
 Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
 If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 7 days. Some brands/products might be subject to a restocking fee up to 25%, please check with us prior before purchase.
 
Late or missing refunds (if applicable)
 If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted.Next contact your bank. There is often some processing time before a refund is posted and can take up to 10 business days in rare cases
 If you’ve done all of this and you still have not received your refund yet, please contact us at sales@JDMuscleUSA.com.
  

Sale items (if applicable)
 Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
 
Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at sales@JDMuscleUSA.com
 
Gifts
 If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.
 
Shipping

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

 

 

 

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BC RACING DS SERIES COILOVERS Subaru WRX/STI 2015-2021

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