The HKS Fine Tune Timing Belt is a replacement cam drive belt for the Mazda B6-ZE and BP twin cam engines used in the NA and NB MX-5. It is the Sport grade belt in the HKS Fine Tune range and installs in place of the factory belt. HKS lists it across the 1.6 liter NA6CE and NB6C cars and the 1.8 liter NA8C and NB8C cars, covering production from September 1989 through 2005. A timing belt change is normally done alongside the tensioner and water pump, and it is the natural point to fit adjustable cam pulleys while the front of the engine is open.
Specifications
| Type | Fine Tune Timing Belt, Sport grade |
| Engine | Mazda B6-ZE (1.6L), BP-ZE / BP-ZET (1.8L) |
| Chassis Covered | NA6CE, NA8C, NB6C, NB8C |
| Quantity | 1 |
| Part Number | 24999-AZ001 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1993 | Mazda | MX-5 Miata | B6-ZE |
| 1994-1997 | Mazda | MX-5 Miata | BP |
| 1999-2005 | Mazda | MX-5 Miata | BP |
Shipping
- Orders placed before 3 PM ET typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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