Genuine replacement nut found on the engine side mounts as well as some suspension arms on the Mazda MX5 MK1 / MK2. K Nut style one use fastener.
Engine Side Mounts (x4 Per Vehicle) All MK1 / MK2 (89-05)
Front Lower Arm Bolts All MK1 (94-98)
Front and rear Lower Arm Bolts All MK2 & 2.5 (98-05)
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