• OS Giken TR single-plate clutch overhaul kit B (TR1A) for Mazda MX-5 NA and NB 1.8 BP
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OS Giken

OS Giken TR single-plate clutch overhaul kit B (TR1A) for Mazda MX-5 NA and NB 1.8 BP

OS Giken TR single-plate clutch overhaul kit B (TR1A) for Mazda MX-5 NA and NB 1.8 BP

SKU: MZ061-AF140B
£585.20
£585.20
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Overhaul kit B for the OS Giken TR1A single-plate clutch on the Mazda MX-5 NA and NB with the 1.8 litre BP engine. The TR1A is rated to about 339 Nm (250 lb ft).

  • Billet aluminium cover for a more direct pedal feel
  • Aluminium cover allows higher clamping force

Fitment

Make Model Chassis Engine Years
Mazda MX-5 (1.8 litre; Miata in the US) NA and NB BP

Specifications

OS Giken series code TR1A
Number of plates Single
Disc diameter 184 mm
Torque capacity about 339 Nm (250 lb ft)
Clutch cover Billet aluminium
Made by OS Giken, Japan
OS Giken part number MZ061-AF140B

Fitting notes

  • Follow the OS Giken installation guide.
  • Reuse or renew the original pilot bearing or bush.
  • Overhaul kits are for rebuilding an OS Giken clutch you already have. Overhaul kit A: clutch discs and pressure plate. Overhaul kit B: clutch discs, pressure plate and clutch cover.

Lead time: made to order by OS Giken in Japan, usually 2 to 3 weeks. Contact us if you need it sooner or want us to check fitment.

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