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Tein S.Tech Lowering Springs SKM44-S3B00 – Mazda MX-5 (NB8C, NB6C)
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Tein S.Tech Lowering Springs SKM64-S3B00 – Mazda MX-5 (NA6C)
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Tein S.Tech Lowering Springs SKM74-S3B00 – Mazda MX-5 (NCEC)
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Tein S.Tech Lowering Springs SKMD0-S3B00 – Mazda MX-5 (NDERC)
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Tein S.Tech Lowering Springs SKMD6-S3B00 – Mazda MX-5 RF (NDERC)
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Which variants this covers
All four generations are listed — NA, NB, NC and ND, the last including the RF targa — across soft-top and folding hard-top bodies. The MX-5 keeps a double-wishbone or multi-link layout throughout, which is why coilover coverage is so deep for a car this small, but the generations do not share parts. Confirm the generation before ordering; NB and NA in particular look closer than they are.
Choosing between the ranges
For a standard car needing its damping restored, Tein EnduraPro keeps OE height with firmer damping and EnduraPro Plus adds 16 adjustable levels; Bilstein B6 is the largest single group and the firmer Bilstein option at standard height. To lower the car on its own dampers, Tein S.Tech springs are the simplest route, and Bilstein B12 supplies a matched damper-and-spring kit. Bilstein B8 is shortened and belongs only on a car already lowered by roughly 30–40 mm. For adjustable height, Flex Z is the usual street choice, Street Basis Z the entry point and Street Advance Z the step up, with Mono Sport and Mono Racing for track use and B14 and B16 as the Bilstein coilovers.
What to check before ordering
Front and rear are separate parts; fit in axle pairs and align afterwards — an MX-5 is sensitive to alignment and worth setting properly after any suspension work. The MX-5 caveat is ride height: these cars are often already lowered, and fitting standard-length dampers to a lowered car wastes travel while fitting B8 to a standard car ruins the ride. Establish what the car is actually sitting on first.
Common questions for this chassis
Coilovers or springs? Springs if the dampers are healthy and a fixed drop suits you; coilovers if you want to set the height and corner balance.
Does the RF take different parts? It shares the ND platform but carries extra weight at the rear — check the listing for your exact body.
Will NB parts fit an NA? No. Select by generation.
Pro tip
Choosing the daily driver shock absorbers..



