SKU: 203-6001 | UPC: 672036007690
ARP 1985-1989 Toyota MR2 4A-GE M9 Rod Bolt Kit
ARP 203-6001 rod bolt kit upgrades Toyota 4A-GE 1.6L engines in 1985-1989 MR2 models with stronger fasteners for high-rpm reliability. These M9 bolts replace stock hardware to maintain rod cap alignment under extreme stress. Ideal for naturally aspirated GT and supercharged builds seeking dependable performance.
Key Features
- Genuine ARP Fasteners: Forged 8740 chromoly steel rated at 200,000 psi tensile strength for secure rod connections
- Precision-Rolled Threads: Increase fatigue resistance by 130 percent over cut threads with accurate torque retention
- Extended Guard Length: Provides extra thread engagement to prevent pull-out in high-horsepower applications
- Matched Set Design: Includes 16 bolts, washers, and hardware for complete 8-rod replacement
- Versatile Strength: Handles street driving to 10-second drag passes without loosening
Product Notes
- Confirm rod journal size 48mm and I-beam design before install
- Store in dry conditions to preserve thread integrity
- Ships in 6 x 4 x 1 inch box weighing 0.31 lbs
Installation Notes
- Professional installation recommended.
- Clean rod threads thoroughly and apply ARP Ultra-Torque fastener lubricant
- Torque to ARP spec 55 ft-lbs in 3 steps using cross pattern then recheck after 100 miles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984-1987 | Toyota | Corolla | GTS |
| 1985-1987 | Toyota | Corolla | FX16 GTS |
| 1985-1989 | Toyota | MR2 | GT |
| 1986-1989 | Toyota | MR2 | Supercharged |
Why Choose ARP?
- Trusted by professional race teams in NHRA and Formula Drift
- Manufactured in USA with strict quality controls
- Engineered for repeated heat cycles without failure
Frequently Asked Questions
- Q: Will this kit fit 1984-1987 AE86 Corolla 4A-GE engines?
A: Yes ARP 203-6001 matches factory M9 x 1.25 x 51mm dimensions for AE86 GTS and FX16 models - Q: What material are these rod bolts made from?
A: Heat-treated 8740 chromoly steel with rolled threads for maximum strength and reusability - Q: Does ARP provide torque specs or warranty?
A: Kit includes detailed instructions with torque sequence ARP warrants against manufacturing defects for life
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock – ships same or next business day
- Packaging: Secure ARP-branded box 6 x 4 x 1 inches
- Weight: 0.31 lbs
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