SKU: 50003-M45I | UPC: 4957266720257 HKS Super Fire Racing M45i Iridium Spark Plug 1989-2002 GT-R Supra RX7 240SX HKS Super Fire Racing M45i delivers high-performance iridium spark for racing engines in JDM turbo builds. Direct fit for Toyota Supra 2JZ-GTE Nissan Skyline GT-R RB26DETT Mazda RX7 13B-REW Nissan 240SX SR20DET and similar applications. Sharper ignition focus creates quicker throttle response cleaner combustion and steady power through 9000 RPM. Key Features 0.4mm Iridium Center Electrode: Provides precise spark focus for complete combustion and reduced misfires under boost. Racing Ground Electrode Design: Cut-back shape allows larger flame kernel growth for faster burn rates and more torque. Projected Insulator Tip: Resists carbon fouling in high-heat racing conditions keeping spark consistent lap after lap. Heat Range M45i: Matches demanding turbo engines like 2JZ RB26 handling 9000 RPM without pre-ignition. 14mm Thread 19mm Reach: Direct OEM replacement with resistor for ECU compatibility and EMI suppression. Product Notes Sold individually gap pre-set at 0.8mm adjust for specific tune. Use anti-seize on threads for easy future removal. Ships in protective foam-lined box dimensions 1in x 1in x 4in. Installation Notes Professional installation recommended. Torque to 18-22 ft-lbs using thin-wall socket. Compatible with OEM coil packs no adapters needed. This Part Fits Year Make Model Submodel 1993-1998 Toyota Supra 2JZ-GTE 1989-1994 Nissan Skyline GT-R R32 RB26DETT 1995-1998 Nissan Skyline GT-R R33 RB26DETT 1999-2002 Nissan Skyline GT-R R34 RB26DETT 1992-2002 Mazda RX-7 FD3S 13B-REW 1989-1998 Nissan 240SX Silvia S13 S14 SR20DET 1999-2002 Nissan Silvia S15 SR20DET 1991-1995 Toyota MR2 Turbo 3S-GTE Why Choose HKS? Proven in JGTC Super GT and drift racing worldwide. Hand-built in Japan with aerospace-grade materials. Engineered for 100000 km durability in competition. Frequently Asked Questions Q: Will this fit my R34 GT-R RB26DETT? A: Yes direct replacement for NGK equivalents in 1999-2002 R34 GT-R RB26DETT engines. Q: What material is the electrode? A: Pure 99.9% iridium center electrode with platinum alloy pads for extreme heat resistance. Q: What is the warranty and install tip? A: 1-year manufacturer defect warranty. Install with OEM torque specs for best seal. Shipping & Handling Method: UPS Ground or USPS Priority Availability: In stock – ships same or next business day Packaging: Foam-lined retail box 1 x 1 x 4 inches Weight: 0.11 lbs per plug Reviews There are no reviews yet. Be the first to review “HKS SUPER FIRE RACING M45i” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.
