SKU: 50003-M45 | UPC: 4957266720226
HKS Super Fire Racing M45 Spark Plugs 1989-2002 Nissan Skyline GT-R RB26DETT, Toyota MR2 SW20 3S-GTE, Mazda RX-7 FD 13B-REW
HKS Super Fire Racing M45 spark plugs deliver precise ignition for high-revving JDM engines. These fit Nissan Skyline GT-R R32/R33 RB26DETT, Toyota MR2 SW20 3S-GTE, Mazda RX-7 FD3S 13B-REW, Nissan Silvia S15 SR20DET, and similar turbocharged setups. Engineered for racing, they improve combustion for stronger throttle response and consistent power output under boost.
Key Features
- 0.4mm Pure Iridium Center Electrode: Creates focused spark kernel for full combustion even in lean mixtures and high RPM.
- Platinum Ground Electrode: Resists erosion for long service life over 40,000 miles in competition use.
- Semi-Surface Discharge Design: Fires reliably in blow-by conditions from turbocharged or high-boost engines.
- High-Temp Resistant Insulator: Handles extreme cylinder temps without pre-ignition in tuned motors.
- M45 Heat Range: Matches demanding applications like RB26DETT and 3S-GTE for optimal thermal control.
Product Notes
- Sold as single plug, order set of 6 for inline-6 or 4 for inline-4 engines.
- Factory gap 0.7-0.8mm, verify and adjust for custom tunes.
- Ships in protective foam insert box, 3.5 x 1.5 x 1.5 inches, 0.11 lbs net weight.
Installation Notes
- Professional installation recommended.
- Torque to 18-21 ft-lbs (25Nm) with anti-seize on threads.
- Compatible with OEM coils and HKS ignition systems, inspect plug wires.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | GT-R R32 RB26DETT |
| 1995-1998 | Nissan | Skyline | GT-R R33 RB26DETT |
| 1999-2002 | Nissan | Silvia | S15 Spec-R SR20DET |
| 1988-1992 | Toyota | MR2 | SW20 3S-GTE Turbo |
| 1992-2002 | Mazda | RX-7 | FD3S 13B-REW Twin Turbo |
| 1994-1998 | Nissan | Silvia | S14 SR20DET |
| 1989-1994 | Nissan | Silvia | S13 SR20DET |
Why Choose HKS?
- Motorsport-proven in Super GT and D1GP racing series.
- Precision manufacturing from forged materials for reliability.
- Engineered in Japan for JDM engines with decades of tuning expertise.
Frequently Asked Questions
- Q: Will M45 fit R34 Skyline GT-R RB26DETT?
A: Best for R32/R33 GT-R, use HKS M40 for R34 due to higher compression and boost levels. - Q: What material construction?
A: Pure iridium center electrode 0.4mm, platinum ground strap 0.8mm, nickel-plated shell for corrosion resistance. - Q: What warranty coverage?
A: HKS limited warranty against defects, contact distributor for claims with proof of purchase.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact individual box 3.5×1.5×1.5 inches
- Weight: 0.11 lbs
Reviews
There are no reviews yet.