It is a good idea to get this kit if you are doing a gear change or adding a limited slip
Stainless Steel Braided Hose
Choose individual hoses or complete 3-piece kit
Fade resistant
OEM indicates Genuine Mazda parts
6-Speed Transmission Bearing OEM Miata 1999-2005 NB Option:C: OEM Bearing It is a good ideaNew OEM 6 speed transmission bearing for Mazda Miata 1999 2005. See picture for part location and description for bearing size. Choose from different bearings. OEM are genuine Mazda parts. A: 75mm O. D., 30mm I. D., 21mm width, groove for clip, main shaft bearing B: Bearing and spacer: 52mm O. D., 25mm I. D., 17. 90mm width, groove for clip C: #4 cage bearing, 30. 8mm O. D., 20mm I. D. (approx), 23. 70mm width D: #2 cage bearing, 48. 7mm O. D., 44mm