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Product Details

BC Racing RM Series Coilovers for the 1989-1994 Nissan 240SX (S13) use a mono-tube inverted damper in the front and rear of vehicles that use McPherson style OEM strut suspension. On vehicles that use front struts only, BC Racing provides an inverted front strut and then provides an upright BR Series damper for the rear. Inverted dampers are useful in decreasing unsprung weight by moving the greatest mass of the strut to the top where it connects to the sprung weight of the chassis, where weight can be more easily shaved.

The BC Racing RM Series Coilover System uses a much larger inverted piston shaft that can handle higher lateral loads for longer periods of time without fatigue. These higher lateral loads are only prevalent on McPherson style strut suspension, not on Double A-Arm vehicles.

Features

  • Highly customizable
  • Inverted mono-tube damper
  • Linear piston and damping curve
  • Height adjustment independent of spring compression
  • 30-clicks of simultaneous compression/rebound adjustment
  • Front camber plates standard on applicable kits
  • Rear camber plates available for applicable kits
  • Custom spring rates and Swift Springs compatible
  • Custom valving or valving paired for custom spring rates
  • 2 year warranty against manufacturing defects
  • Fully rebuildable with replacement parts
Specifications
Part Number D-12-RM
Part Name RM Series Coilovers
Vehicle 1989-1994 Nissan 240SX
Chassis Code S13
Front Springs (kg/mm) 62-180-8kg
Rear Springs (kg/mm) 62-220-6kg
Front Swift Springs (kg/mm) 62-178-X
Rear Swift Springs (kg/mm) 62-228-X
Front Camber Plates Included
Rear Camber Plates Not Applicable
Note 1 Silvia 240SX A31/S13
Vehicle Fitment
  • 1989 Nissan 240SX (S13)
  • 1990 Nissan 240SX (S13)
  • 1991 Nissan 240SX (S13)
  • 1992 Nissan 240SX (S13)
  • 1993 Nissan 240SX (S13)
  • 1994 Nissan 240SX (S13)

Reviews / Q&A

FAQs

Please read our FAQs page to find out more.

How much will BC Coilovers lower my car?

On average, Standard Drop allows about 1-2 inches of drop range below factory ride height. Extreme Low allows about 2-3 inches of drop.

Can BC Coilovers achieve factory ride height?

No. In most cases, factory ride height cannot be achieved.

Will the struts be valved correctly?

Yes! The shocks and/or struts are always valved to match the spring rates you choose during a custom build. There is no additional cost.

Can they be rebuilt?

Yes, all BC Racing Coilovers can be rebuilt by purchasing individual replacement parts. For example, if a strut leaks, you can simply replace the shock cartridge.

Is there rush shipping available?

Rush shipping is not offered, but all in-stock kits ship very fast— most by the next day.

Customizing the coilovers in any way will delay the shipment by a few weeks on average.

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