Check the listing for details. 94-00 Mazda Miata Differential Diff Subframe Brace Hardware Bolt Set NA NB 97 99. Color: Black, Condition: New. Listed at 28.95 USD. 94-05 Mazda Miata Differential Diff Subframe Sub Frame Brace Hardware Bolt Bolts Set 6 NA NB 97 99 Listing is for one set of 6 rear subframe diff brace bolts for 94-05 Mazda Miata. Fits 1994-2005 Mazda Miata. 94 95 96 97 99 00 2000 NA NB1 1.8 Bolts for attaching rear brace to subframe and chassis. 6 bolts. OE equivalent size and strength. Brand new bolts set. Uses a 16mm socket for installation. See photos. These are the 6 rear-most bolts on the underside of the car that hold the OEM chassis brace to the sub frame and the chassis of Miata. 94 95 96 97 NA 1.8L cars and 99 2000 NB cars (known as NB1). ***Note: Set of 6 bolts ONLY. ** *Last 2 photos show example of bolts placed in rear brace. ** See alternate listing for NB2 01 02 03 04 05 Miata rear chassis brace bolts: Ebay link: [ ] Shipped with USPS. FREE SHIPPING in the continental United States. Please ask any questions before buying. All sales are final. No returns. Thank you.