SKU: 50003-M40IL | UPC: 4957266720271
HKS Super Fire Racing M40iL Spark Plug 1993-2002 Toyota Supra JZA80 2JZ-GTE
The HKS Super Fire Racing M40iL is an iridium spark plug built for racing engines requiring M14 thread, 40.4mm reach. It delivers consistent spark in high-boost turbo applications on vehicles like Toyota Supra 2JZ-GTE, Nissan Skyline RB26DETT, and Subaru Impreza WRX STI for better combustion efficiency and power delivery. Ideal for track days and tuned street cars seeking reliable performance.
Key Features
- Iridium Center Electrode: 0.6mm diameter alloy tip ensures stable spark at high RPM with up to 60,000km lifespan
- Platinum Ground Electrode: Special tapered disk design reduces flame quenching for fuller combustion chamber fill
- High Heat Ceramic Insulator: Resists up to 950°C to prevent pre-ignition in boosted setups
- Copper Core: Rapid heat dissipation keeps electrode cool during sustained high load runs
- Low Ignition Voltage: Fires reliably with stock coils even under high compression
Product Notes
- Sold individually, purchase quantity needed for full set
- Factory gapped at 0.8mm, confirm with tuning specs
- Packaged in anti-static tube for safe handling
Installation Notes
- Professional installation recommended.
- Torque to 20-25 Nm with anti-seize on threads
- Compatible with OEM ignition coils and wiring
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2002 | Toyota | Supra | JZA80 2JZ-GTE |
| 1989-1994 | Nissan | Skyline GT-R | R32 BNR32 RB26DETT |
| 1995-2002 | Nissan | Skyline GT-R | R33/R34 RB26DETT |
| 2001-2007 | Subaru | Impreza WRX STI | GD/GDB EJ207/EJ20 |
| 1996-2001 | Toyota | Chaser | JZX100 1JZ-GTE |
Why Choose HKS?
- Racing-proven in Japanese D1GP and Super GT series
- Engineered with JDM OEM collaboration for exact tolerances
- Consistent performance from precision manufacturing in Japan
Frequently Asked Questions
- Q: Does this plug fit my Toyota Supra 2JZ-GTE?
A: Yes, direct fit for 1993-2002 JZA80 models with matching thread and reach specs, ideal for stock or turbocharged setups - Q: What material is the center electrode?
A: Pure iridium alloy at 0.6mm diameter for superior durability and spark focus over nickel plugs - Q: Can I install it myself?
A: Yes with basic tools, but pro tuning advised to set gap and torque precisely for optimal performance
Shipping & Handling
- Method: UPS Ground / USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box 3 x 2 x 2 inches
- Weight: 0.12 lbs
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