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All BC Racing coilovers are made-to-order. Please expect 5-7 weeks for build time.


Customize your BC Racing coilovers with custom spring rates and upgraded springs.
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Transform your 04-13 Mazda 3 BK3P with the BC Racing DS Series Coilovers, engineered for next-level handling and performance. Featuring a digressive piston design for ultimate damping control and track precision, these coilovers are perfect for both track days and spirited street driving. MartiniWorks ensures perfect fitment with SKU N-03-DS, making installation straightforward and hassle-free.
The N-03-DS BC Racing DS Series Coilovers provide outstanding control and comfort, even in the most demanding conditions. Designed for enthusiasts looking to maximize their car's performance, the DS series offers independent ride height adjustment, digressive damping control, and camber adjustability on applicable kits. Unlike traditional linear piston designs, the DS series delivers enhanced stability on rough surfaces, making it a perfect upgrade for both daily and track use. At MartiniWorks, we include free express shipping on all DS Series Coilovers N-03-DS orders, plus custom spring rates and valving for tailored performance.
Absolutely. BC Racing DS Series Coilovers N-03-DS offer precise ride height adjustment and digressive piston technology, allowing for stiffer damping at lower speeds while softening as speed increases—ideal for bumpy roads and track conditions. The mono-tube shock design ensures durability and effective heat dissipation, making the DS Series a versatile and dependable choice for drivers who want refined performance on the street and consistent results on the track.
The BC Racing DS Series Coilovers N-03-DS can lower your car from 1” below OEM height to 3” at the lowest setting, with an optional "Extreme Low" configuration providing an additional inch of drop (up to 4” total). This range lets you achieve the ideal stance and performance setup for your needs.
MartiniWorks highly recommends the DS Series Coilovers for their enhanced performance and adaptability. The digressive piston design combined with the monotube shock structure provides precise and responsive handling, even during intense driving. Additionally, 30-click compression/rebound adjustability allows quick tuning changes to suit different conditions, making the DS series a top choice for both seasoned drivers and track newcomers.
BC Racing DS Series Coilovers N-03-DS offer exceptional value for the performance they deliver. Renowned for producing high-quality coilovers for motorsports, BC Racing supplies components to many other top brands, proving their reliability and quality. The DS Series Coilovers N-03-DS offer high-level features at a competitive price, making them a smart investment for serious drivers.