SKU: 118-6401 | UPC: 672036033835
ARP 1989-2005 Mazda Miata Rod Bolt Kit
ARP rod bolt kit strengthens connecting rods in 1989-2005 Mazda Miata models with 1.6L and 1.8L engines. This kit replaces stock bolts to maintain clamp load under high RPM boost and track abuse. Built for NA and NB chassis enthusiasts seeking dependable engine internals.
Key Features
- ARP2000 Alloy: 220000 PSI tensile strength resists stretch failure in boosted or high rev engines
- Rolled Threads: Boosts fatigue resistance by 1000 percent over cut threads for repeated torque cycles
- Matched Hardware: Includes 8 bolts with exact OEM sizing for drop-in replacement no machining needed
- Clamp Load Retention: Holds precise pressure to reduce bearing wear extend engine life
- Versatile Application: Handles street daily driving strip launches and track sessions reliably
Product Notes
- Designed for BP series 1.6L 1.8L DOHC engines confirm compatibility with your block
- Store in dry area apply ARP moly lube before install to prevent galling
- Ships in compact protective box handles rough transit without damage
Installation Notes
- Professional installation recommended.
- Clean rod cap threads use ARP Ultra-Torque lubricant for accurate torque
- Torque to 58-65 ft-lbs in sequence re-check after 100 miles or heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1997 | Mazda | Miata | Base |
| 1999 | Mazda | Miata | 10th Anniversary |
| 1999-2005 | Mazda | Miata | Base |
| 1993 | Mazda | Miata | LE |
| 2000-2005 | Mazda | Miata | LS |
| 1994-1997 | Mazda | Miata | M Edition |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 1991 | Mazda | Miata | SE |
| 2000-2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
| 1997 | Mazda | Miata | STO |
Why Choose ARP?
- Trusted by racers since 1968 in NHRA NASCAR applications
- Exceeds factory bolt strength by wide margin
- Precision manufactured in USA with exacting tolerances
Frequently Asked Questions
- Q: Will this kit fit both 1.6L and 1.8L Mazda Miata engines?
A: Yes covers 1989-1993 1.6L and 1994-2005 1.8L BP DOHC engines in all listed trims - Q: What material construction do these bolts use?
A: ARP2000 chrome moly steel alloy heat treated to 220 ksi minimum tensile strength - Q: What torque specs and lube should I use?
A: Follow ARP instructions torque 58-65 ft-lbs with ARP moly or Ultra-Torque use sequence diagram included
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: ARP branded box 6 x 4 x 1 inches
- Weight: 0.38 lbs





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