Coilover Suspension Kits

DS Series

The DS Series is the perfect choice for drivers looking for track-oriented coilovers for occasional track days. The proprietary digressive piston design offers increased damping 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. This includes roll, pitch, dive, and quick weight transitions seen in chicanes and on Auto-x courses.

For the ultimate driving feel - choose BC Racing DS Series coilovers.

• MONO-TUBE SHOCK DESIGN
• DIGRESSIVE PISTON AND DAMPING CURVE
• SATIN CHROME FINISHED SHOCK BODY
• HEIGHT ADJUSTMENT VIA SHOCK BODY, NOT SPRING
• 30-CLICKS OF SIMULTANEOUS DAMPING ADJUSTMENT (COMPRESSION/REBOUND)
• CUSTOM SPRING RATES, EXTREME LOW, AND SWIFT SPRINGS AVAILABLE FOR MOST APPLICATIONS
• CUSTOM VALVING AND/OR VALVING PAIRED FOR CUSTOM SPRING RATES
• FULLY REBUILDABLE WITH ALL PARTS AVAILABLE FOR PURCHASE
• FRONT CAMBER PLATES STANDARD ON APPLICABLE KITS*
• REAR CAMBER PLATES AVAILABLE FOR APPLICABLE KITS*
• 2 YEAR LIMITED WARRANTY AGAINST MANUFACTURER DEFECT

*Please note that not all vehicles use camber plates in the front and/or rear. Some vehicles reuse OEM upper mounts.

RM Series

The inverted RM Series includes all of the great features of the BR Series, and then takes everything up a notch. The inverted coilover system moves vital damper fluid away from detrimental heat sources to avoid overheating the fluid, which can cause damper fade under extreme use. Inverted dampers handle high lateral loads* more efficiently and offer increased durability under extended road course sessions. Other advantages are the reduction of unsprung weight by moving the majority of the coilover mass to the chassis of the vehicle where weight can be more easily shaved. This is a durable coilover setup for those looking to attack a road course, hill climb or tarmac rally.

• INVERTED MONO-TUBE SHOCK DESIGN**
• LINEAR PISTON AND DAMPING CURVE
• HEIGHT ADJUSTMENT VIA SHOCK BODY, NOT SPRING
• 30-CLICKS OF SIMULTANEOUS DAMPING ADJUSTMENT (COMPRESSION/REBOUND)
• CUSTOM SPRING RATES AND SWIFT SPRINGS AVAILABLE FOR MOST APPLICATIONS
• CUSTOM VALVING AND/OR VALVING PAIRED FOR CUSTOM SPRING RATES
• FULLY REBUILDABLE WITH ALL PARTS AVAILABLE FOR PURCHASE
• FRONT CAMBER PLATES STANDARD ON APPLICABLE KITS***
• REAR CAMBER PLATES AVAILABLE FOR APPLICABLE KITS***
• 2 YEAR LIMITED WARRANTY AGAINST MANUFACTURER DEFECT

*These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.

**The inverted mono-tube shocks are used in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, inverted front struts are provided and upright BR Series shocks are provided for the rear.

***Please note that not all vehicles use camber plates in the front and/or rear. Some vehicles reuse OEM upper mounts.

ER Series

The ER Series coilover system is the next evolution in suspension tuning to meet your vehicle setup needs. It features large external reservoirs front and rear, independently adjustable rebound and compression, plus a mono-tube twin-piston design. The large external reservoirs allow for a higher oil capacity that translates to faster heat dissipation during extended road course use. Additionally, the external reservoirs house the secondary piston, which allows for the independent adjustment of compression, separate from rebound adjustment. The ER Series coilover is the perfect system for drivers to dial in their suspension by varying the compression and rebound settings to fit their specific driving style and performance demand.

• MONO-TUBE DAMPER WITH LINEAR TWIN PISTON DESIGN
• HEIGHT ADJUSTMENT VIA SHOCK BODY, NOT SPRING
• 30-CLICKS OF COMPRESSION ADJUSTMENT VIA THE EXTERNAL RESERVOIRS
• 30-CLICKS OF REBOUND ADJUSTMENT FROM THE TOP OF THE DAMPER
• CUSTOM SPRING RATES AND SWIFT SPRING COMPATIBLE
• CUSTOM VALVED TO MATCH THE DRIVER'S REQUESTED SPRING RATES
• FULLY REBUILDABLE WITH ALL PARTS AVAILABLE FOR PURCHASE
• FRONT AND REAR CAMBER PLATES STANDARD ON ALL APPLICABLE KITS*
• FRONT AND REAR PILLOWBALL MOUNTS STANDARD WHEN CAMBER PLATES DO NOT APPLY*
• 2 YEAR LIMITED WARRANTY AGAINST MANUFACTURERS DEFECT

*Please note that not all vehicles use camber plates in the front and/or rear.

HM Series

The HM Series coilover system offers the same great benefits as the RM Series, with the addition of the 2-way damping adjustment of the ER Series. Inverted mono-tube dampers* with independently adjustable compression and rebound move vital damper fluid away from detrimental heat sources. This is to avoid overheating, which can cause damper fade under extreme track use. The inverted damper also allows for decreased unsprung weight by moving the majority of the coilover mass up to the chassis where weight can be shaved more easily. With the HM Series coilover system, the external reservoir exits the damper at the top allowing for infinitely variable mounting locations under the hood or in the trunk for easy adjustment at the track. The combination of inverted mono-tube dampers and external reservoirs make the HM Series suited for the most demanding users on the track.

• INVERTED MONO-TUBE DAMPER* WITH LINEAR TWIN PISTON DESIGN
• HEIGHT ADJUSTMENT VIA SHOCK BODY, NOT SPRING
• 30-CLICKS OF COMPRESSION ADJUSTMENT VIA THE EXTERNAL RESERVOIRS
• 30-CLICKS OF REBOUND ADJUSTMENT FROM THE BOTTOM OF THE DAMPER
• SWIFT SPRINGS COME STANDARD ON HM SERIES COILOVERS
• CUSTOM VALVED TO MATCH THE DRIVER'S REQUESTED SPRING RATES
• FULLY REBUILDABLE WITH ALL PARTS AVAILABLE FOR PURCHASE
• FRONT AND REAR CAMBER PLATES STANDARD ON ALL APPLICABLE KITS**
• FRONT AND REAR PILLOWBALL MOUNTS STANDARD WHEN CAMBER PLATES DO NOT APPLY**
• 2 YEAR LIMITED WARRANTY AGAINST MANUFACTURERS DEFECT

*The inverted mono-tube dampers are used in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use McPherson front struts only, inverted front struts are provided and upright BR Series shocks are provided for the rear.

**Please note that not all vehicles use camber plates in the front and/or rear.

ZR Series

The ZR Series brings a 3-way adjustable track ready coilover system to racers from novice to pro for an affordable price, which has never been seen in the industry. Each ZR Series coilover system offers 30-clicks of rebound adjustment, 15-clicks of low-speed compression adjustment, and 12-clicks of high-speed compression adjustment. 

On vehicles with McPherson struts, BC Racing will use inverted mono-tube dampers. Each damper uses a steel-braided, Teflon-coated line that exits the top of the damper and leads to the external reservoir. The reservoirs can be remotely mounted on the chassis for easy adjustment.

On vehicles with Double A-Arm suspension, BC Racing will use upright dampers. Each damper uses a steel-braided, Teflon coated line or solid stem, that exits the bottom of the damper and leads to the external reservoir. The reservoirs can be mounted under the chassis or to the shock body itself.

• INVERTED MONO-TUBE DAMPER WITH LINEAR TWIN PISTON DESIGN
• HEIGHT ADJUSTMENT VIA SHOCK BODY, NOT SPRING
• 30-CLICKS OF INDEPENDENTLY ADJUSTABLE REBOUND
• 15-CLICKS OF INDEPENDENTLY ADJUSTABLE LOW-SPEED COMPRESSION
• 12-CLICKS OF INDEPENDENTLY ADJUSTABLE HIGH-SPEED COMPRESSION
• SWIFT SPRINGS COME STANDARD ON ZR SERIES COILOVERS
• CUSTOM VALVING AND/OR VALVING PAIRED FOR CUSTOM SPRING RATES
• FULLY REBUILDABLE WITH ALL PARTS AVAILABLE FOR PURCHASE
• FRONT AND REAR CAMBER PLATES STANDARD ON ALL APPLICABLE KITS*
• FRONT AND REAR PILLOWBALL MOUNTS STANDARD WHEN CAMBER PLATES DO NOT APPLY*
• 2-YEAR LIMITED WARRANTY AGAINST MANUFACTURERS DEFECT

*Please note that not all vehicles use camber plates in the front and/or rear.