HKS Super Fire Racing M50HL spark plugs are engineered for high-performance engines that demand consistent ignition timing and durability under extreme cylinder pressures. These plugs are a critical upgrade for tuned or forced-induction vehicles where standard heat ranges cannot prevent pre-ignition. The M50HL features a cold heat range (equivalent to NGK 10), making it suitable for high-output applications that generate significant internal heat.

• Manufacturer Part Number: 50003-M50HL
• Series: Super Fire Racing
• Heat Range: HKS 50 (NGK 10 Equivalent)
• Thread Size: 12mm x 26.5mm
• Hex Size: 14mm
• Construction: 0.6mm Iridium alloy center electrode with a platinum ground electrode for increased longevity
• Quantity: Pack of 10 plugs

Designed with a long-reach thread profile, these plugs ensure the electrode is positioned precisely within the combustion chamber for optimal flame kernel expansion. The copper-core design helps dissipate heat faster, reducing the risk of knock during high-load pulls. This 10-pack provides a complete ignition refresh for high-cylinder-count builds or multiple service intervals for 4 and 5-cylinder engines.

Keep your intake system performing at its peak with the HKS Super Power Flow (SPF) Cushion replacement filter element. This purple foam media is designed specifically for HKS "mushroom" style filter housings, providing the high-volume airflow HKS is known for while maintaining essential engine-protecting filtration.

Over time, filter elements can become clogged with debris or degraded by environmental factors. Replacing the foam cushion ensures your engine continues to breathe efficiently without the restriction of a dirty filter. This genuine HKS component is a direct-fit replacement for the SPF series, allowing for a quick and tool-free service interval.

• Genuine HKS replacement filter element
• Compatible with HKS Super Power Flow (SPF) filter housings
• High-flow multi-layer foam construction
• Distinctive purple finish
• Restores filtration efficiency and airflow capacity

Carry the heritage of Japanese tuning performance to the paddock with the HKS Oil Color Sandals. These sandals feature the iconic purple, green, and blue splash pattern synonymous with HKS performance components and racing liveries, offering a comfortable footwear option for the track, the workshop, or casual use.

• Official HKS merchandise
• Features signature HKS Oil Color splash graphic
• Size: Medium
• Slip-on design ideal for paddock and garage use
• Durable construction for daily wear

The HKS Super Fire Racing MR40XLB is a high-performance spark plug engineered to handle the extreme combustion pressures and temperatures of tuned or forced-induction engines. As part of the HKS M-Series, this plug provides superior ignition performance, durability, and anti-fouling characteristics over standard factory components.

• Iridium Alloy Center Electrode: The 0.6mm iridium alloy center electrode reduces voltage requirements and improves ignition performance and response.
• Platinum Square Chip: The outer electrode features a platinum square chip for enhanced durability and long-term reliability under high-heat conditions.
• Carbon Cleaning Thermal Edge: Deposits are burnt off the ceramic insulator via a specialized thermal edge to prevent carbon fouling during extended idling or low-speed driving.
• Increased Strength: Optimized for high-load applications where standard plugs may fail.
• Specifications: HKS Heat Range 40 (NGK 8 Equivalent), 12mm thread, 26.5mm reach, and 16mm hex size.
• Part Number: MR40XLB

Accessing spark plugs on FA20 and FA24 boxer engines is a technical challenge due to the minimal clearance between the cylinder heads and the vehicle chassis. The HKS Premium Tool Plug Wrench Set is a specialized maintenance solution engineered to navigate these narrow spaces, allowing for precise spark plug removal and installation without the interference common with standard universal tool sets.

• Engineered specifically for the FA20 and FA24 engine architecture
• Optimized tool geometry provides the necessary reach and clearance in tight engine bays
• High-quality construction ensures a secure grip and reliable torque application on deep-set plugs
• Essential for performing routine ignition maintenance on FA-series platforms

Maintain peak ignition performance in your Nissan or Infiniti VQ35HR engine with this 10-pack of HKS M-Series Super Fire Racing spark plugs. Engineered to match the factory stock heat range, these plugs provide a high-durability alternative to standard OE components, ensuring consistent spark delivery and improved resistance to fouling under both daily driving and spirited conditions.

The M-Series design utilizes specialized electrode geometry and high-strength materials to withstand the thermal stresses common in high-revving V6 engines. This bulk pack of 10 provides a complete service set for the VQ35HR platform with additional spares for future maintenance intervals.

• Manufacturer: HKS
• Series: M-Series Super Fire Racing
• Heat Range: Stock / Standard
• Engine Compatibility: Nissan/Infiniti VQ35HR
• Quantity: Set of 10 Spark Plugs

HKS Super Fire Racing M40LF spark plugs are engineered for high-performance and tuned engines requiring superior ignition reliability and heat management. These plugs are designed to withstand the extreme cylinder pressures and temperatures found in forced induction or high-RPM applications, providing a consistent spark where standard plugs might fail.

• Manufacturer Part Number: M40LF
• Heat Range: HKS 40 (NGK Heat Range 8 Equivalent)
• Center Electrode: 0.6mm Iridium alloy for reduced voltage requirements and improved durability
• Outer Electrode: Platinum chip for increased longevity and resistance to wear under high loads
• Thermal Edge: Integrated design to help discharge carbon deposits and prevent fouling
• Insulator: High-density ceramic for improved thermal conductivity and electrical insulation
• Quantity: Pack of 10 spark plugs

The Super Fire Racing series features a specialized outer electrode with a platinum chip that ensures a long service life and high durability. The M40LF is a long-reach (LF) type plug, specifically designed for modern cylinder head geometries that require precise electrode positioning for optimal flame kernel propagation.

HKS Super Fire Racing MR45XLB spark plugs are engineered for high-performance and tuned engines where ignition reliability is critical. These plugs are designed to withstand the extreme cylinder pressures and temperatures encountered in high-output applications, providing a consistent spark for optimal combustion and peak power delivery.

• Manufacturer Part Number: MR45XLB
• Series: Super Fire Racing
• Quantity: Pack of 10 individual spark plugs
• Engineered for superior thermal resistance and anti-fouling characteristics
• Ideal for modified vehicles requiring precise heat range management and high durability

The MR45XLB series utilizes advanced materials to maintain electrode integrity under heavy load, helping to prevent pre-ignition and ensuring clean firing throughout the RPM range. This 10-pack is an essential choice for professional shops and enthusiasts maintaining multi-cylinder builds or looking for a complete set of high-performance ignition components.

Fits 2008 Mitsubishi Lancer Evolution GSR and MR models.

HKS M-Series Super Fire Racing spark plugs are engineered for high-performance applications that demand superior heat dissipation and ignition reliability. These Heat Range 9 plugs are colder than the factory-spec units, providing the necessary thermal resistance for modified 4B11T engines running increased boost or advanced timing.

Constructed with an iridium alloy center electrode and a platinum ground electrode, these plugs are built to withstand extreme combustion pressures while maintaining a consistent spark. The anti-fouling design helps prevent carbon buildup, ensuring reliable performance during both high-load pulls and daily driving conditions.

• Manufacturer: HKS
• Series: M-Series Super Fire Racing
• Heat Range: 9
• Core Material: Iridium alloy
• Ground Material: Platinum
• Quantity: Pack of 10
• Application: 2008 Lancer Evolution X (GSR/MR)

HKS Super Fire Racing M45iL spark plugs are high-performance ignition components engineered to withstand the extreme cylinder pressures and temperatures of modified engines. Designed for consistency and durability, these plugs feature a specialized iridium alloy construction that provides a more concentrated spark while reducing the voltage required for ignition.

As part of the HKS M-Series, the M45iL is built to resist carbon buildup and fouling, ensuring reliable combustion during high-stress driving. The long-reach design and precise heat range make these a critical upgrade for maintaining engine health and maximizing power output in performance applications.

• Brand: HKS
• Series: Super Fire Racing
• Model: M45iL
• Quantity: Pack of 10
• Construction: High-durability iridium alloy center electrode
• Application: High-performance and racing engines

Ensure millisecond-precise ignition and fuel timing on your high-performance engine with the HKS RB26 Crank Angle Sensor (CAS) Kit. This specialized timing solution is engineered specifically for Nissan RB26DETT engines equipped with the HKS V-Cam system, where the factory cam-driven sensor often faces clearance or resolution limitations.

• Designed for seamless integration with HKS V-Cam systems to manage variable intake timing
• Provides a high-resolution, stable signal for consistent engine management performance
• Replaces the OE cam position sensor to eliminate timing drift caused by belt stretch or harmonics
• Includes heavy-duty sensor, precision trigger wheel, and all necessary mounting hardware
• Essential for high-RPM builds requiring absolute timing accuracy across the powerband

HKS Super Fire Racing M40G spark plugs are engineered to deliver consistent ignition performance in high-stress racing and tuned engine environments. Designed to withstand extreme cylinder pressures, these plugs provide superior heat dissipation to help prevent pre-ignition and ensure reliable combustion under heavy load and high-boost conditions. The M40G heat range is specifically suited for high-output applications that require a colder plug than factory specifications to maintain thermal efficiency.

• Brand: HKS
• Series: Super Fire Racing
• Model Number: M40G
• Quantity: Pack of 10
• Applications: High-performance and modified engines requiring colder heat ranges
• Engineered for improved ignition and anti-fouling resistance

HKS M-Series Super Fire Racing spark plugs are engineered for high-performance engines that demand consistent ignition under extreme conditions. This 10-pack provides a complete ignition refresh or a ready supply of spares for your track-side kit, ensuring your engine maintains peak combustion efficiency during spirited driving or competitive use.

• Brand: HKS
• Series: M-Series Super Fire Racing
• Application: General Application
• Quantity: Pack of 10

Designed to handle the increased heat and pressure of tuned and forced-induction powerplants, HKS M-Series plugs are a trusted choice in the performance community for their durability and resistance to carbon fouling. These plugs serve as a direct upgrade for enthusiasts looking to stabilize their spark and protect their engine from misfires in high-RPM environments.

Fits 2010 Hyundai Genesis Coupe (3.8L).

HKS Super Fire Racing M-Series spark plugs are engineered to provide maximum ignition performance and durability for high-performance engines. These heat range 8 plugs are colder than standard factory units, making them ideal for vehicles with increased boost or engine modifications where heat management is critical for preventing pre-ignition.

• M-Series Technology: Designed for improved ignitability and reduced voltage requirements.
• Center Electrode: 0.6mm iridium alloy provides a concentrated spark for better throttle response.
• Outer Electrode: Features a platinum chip for extended service life and consistent performance under high thermal loads.
• Anti-Fouling: Integrated thermal edge and spark support gap help prevent carbon buildup during low-speed driving.
• Heat Range: 8 (HKS classification).
• Contents: Includes a full pack of 10 spark plugs.

The HKS Suspension Error Canceller (SEC) Type-H is a purpose-built electronic bypass module for Honda Civic FK8 and FC1 owners who are upgrading from factory electronically controlled dampers to aftermarket coilovers or static suspension systems. Removing the OEM adaptive dampers typically triggers an immediate suspension system warning on the vehicle's dashboard and may limit drive mode functionality.

This module plugs directly into the factory wiring harness to provide the correct resistance signal to the ECU, effectively clearing the error light and ensuring the vehicle's computer recognizes the system as functional. It is an essential component for drivers seeking the performance of HKS Hipermax or other performance suspension systems without the distraction of dash-cluster warnings.

• Bypasses factory electronic damper error signals
• Preserves dashboard display integrity after coilover installation
• Engineered for the K20C (Type R) and L15B (Sedan) powerplants
• Plug-and-play design for straightforward installation
• Specific fitment for Honda Civic FK8 and FC1 chassis

HKS Super Fire Racing M40 spark plugs are high-performance ignition components engineered for modified engines and demanding racing conditions. This M-Series plug set features a 0.6mm iridium alloy center electrode that reduces voltage requirements while improving ignition performance and durability. The ground electrode incorporates a platinum square chip to resist wear and ensure a consistent spark gap over the life of the plug.

The M40 designation corresponds to a Heat Range 8 (NGK equivalent), providing superior heat dissipation to prevent pre-ignition in high-load scenarios. Built with a copper core for enhanced thermal conductivity and a nickel-plated housing for corrosion resistance, these plugs are designed to maintain stability even under extreme combustion temperatures.

• Series: Super Fire Racing M-Series
• Heat Range: M40 (Heat Range 8 Equivalent)
• Center Electrode: 0.6mm Iridium Alloy
• Outer Electrode: Platinum Square Chip
• Construction: Copper core for efficient heat transfer
• Quantity: Set of 10 Spark Plugs

Fits Subaru Impreza Sport models equipped with the FB20 engine.

The HKS LEGAMAX Premium GT6 exhaust system is engineered to enhance the acoustic profile and exhaust flow of the Subaru Impreza Sport. This system balances a deeper, sportier tone with the refinement required for daily driving, ensuring a noticeable presence without excessive cabin drone. It is designed to replace the restrictive factory rear section, providing a more efficient exit for exhaust gases.

Constructed from high-grade SUS304 stainless steel, this exhaust offers superior corrosion resistance and long-term durability. The GT6 design features precision welds and a layout that utilizes factory mounting points for a straightforward, bolt-on installation. The polished tips provide a subtle yet premium aesthetic upgrade that complements the vehicle's rear styling.

• Manufacturer: HKS
• Series: LEGAMAX Premium GT6
• Material: High-quality SUS304 stainless steel
• Fitment: Subaru Impreza Sport (FB20)
• Installation: Direct bolt-on using factory hangers
• Finish: Polished stainless steel

HKS Super Fire Racing M40i spark plugs are engineered to withstand the extreme thermal loads and high-pressure environments of performance engines. Featuring a specialized 0.6mm iridium alloy center electrode, these plugs require lower voltage for ignition while providing a more consistent and powerful spark than standard copper alternatives. The outer electrode is reinforced with a platinum square chip, ensuring long-term durability and resistance to electrode erosion in modified or forced-induction applications.

• Iridium Alloy Center Electrode: 0.6mm tip diameter reduces required voltage and improves ignition performance.
• Platinum Square Chip: Improves durability and provides consistent sparking under high heat.
• Thermal Management: Designed for high-performance builds to prevent pre-ignition and fouling.
• Specific Heat Range: M40i designation optimized for high-power levels.
• Part Number: M40i
• Package Includes: 10 Spark Plugs

Whether you are replacing worn ignition components or upgrading for a track-focused build, the HKS Super Fire Racing series delivers the reliability needed for high-RPM stability and crisp throttle response.

HKS Super Fire Racing M40iL spark plugs are engineered to deliver superior ignition performance and heat resistance for high-output and tuned engines. These M-Series plugs utilize a 0.6mm iridium alloy center electrode to lower the required voltage for sparking, improving startability and response while reducing the load on the ignition system. The outer electrode incorporates a platinum chip to ensure long-term durability and consistent gap maintenance under extreme combustion temperatures.

• Manufacturer Part Number: M40iL
• Series: Super Fire Racing M-Series
• Heat Range: HKS 8 (NGK Equivalent 8)
• Thread Dimensions: 14mm x 26.5mm (Long Reach)
• Electrode Material: 0.6mm Iridium Center / Platinum Ground
• Quantity: Set of 10 Plugs

The specialized M40iL design includes a thermal edge and a cooling gap to effectively resist carbon buildup and fouling, ensuring a stable spark even in rich-running or high-boost conditions. These plugs are a direct replacement for engines requiring a long-reach ISO-type plug and provide the thermal overhead necessary for reliable performance across the entire RPM range.

Fits Toyota GR86 ZN8 models equipped with the FA24 engine.

The HKS Super Manifold with Catalyzer GT-SPEC is engineered to replace the restrictive factory exhaust manifold, reducing backpressure and improving exhaust gas velocity. By optimizing the header layout and incorporating a high-flow catalytic converter, HKS provides a solution that enhances engine response and power delivery without sacrificing filtration efficiency. This manifold is a direct bolt-on upgrade designed to work seamlessly with the FA24 powerplant, providing a cleaner exhaust path for improved performance.

• High-flow integrated catalytic converter for improved exhaust scavenging
• Optimized runner design for increased torque and horsepower across the rev range
• Durable stainless steel construction for superior heat resistance and longevity
• Direct fitment to factory mounting points and exhaust flanges
• Engineered specifically for the Toyota GR86 ZN8 chassis and FA24 engine

Fits 2020-2024 Toyota GR Yaris (GXPA16) models equipped with the G16E-GTS engine.

The HKS Gen2 Super Turbo Muffler is engineered to balance high exhaust flow with a refined acoustic profile, making it the ideal solution for drivers who want performance without the intrusive cabin drone. Designed specifically for the turbocharged G16E-GTS, this cat-back system features a straight-through structure that significantly reduces back pressure, allowing for improved turbo spool and throttle response across the RPM range.

• Manufactured from high-grade SUS304 stainless steel for superior corrosion resistance and longevity
• Gen2 design optimizes internal silencer packing and weight distribution compared to previous iterations
• 75mm main piping diameter transitioning to dual outlets for maximized exhaust gas velocity
• Precision-welded mounting brackets utilize factory rubber hangers for a perfect bolt-on fit
• Low-restriction silencer design meets strict noise standards while providing a deep, aggressive tone under load
• Includes all necessary gaskets and hardware required for installation

The HKS Crank Angle Sensor Kit is a precision-engineered upgrade designed to eliminate the ignition timing jitter and signal noise common in high-performance Nissan RB26 engines. At high RPMs, the factory optical sensor can struggle to maintain a stable signal, leading to timing fluctuations that risk engine safety. This kit provides a high-resolution, stable trigger signal for the ECU, ensuring accurate ignition and injection timing even under extreme boost and engine speeds.

• Provides a high-accuracy signal for consistent engine management performance
• Reduces timing jitter compared to the factory Nissan optical sensor
• Essential for high-horsepower RB26 builds requiring precise tuning
• Includes high-quality mounting hardware and sensor assembly
• Designed for durability in high-heat performance environments

Fits 2022 Toyota Tundra.

The HKS Legamax Trail Master cat-back exhaust system is engineered to provide a more aggressive, sophisticated exhaust note while maintaining daily drivability. This system replaces the restrictive factory exhaust components from the catalytic converter back, utilizing high-quality stainless steel to ensure long-term durability and resistance to corrosion.

Designed with off-road clearance and sound quality in mind, the Trail Master series optimizes exhaust flow to improve throttle response. The installation is a direct bolt-on process using factory mounting points, requiring no permanent vehicle modifications or welding.

• Product Line: Legamax Trail Master
• Type: Cat-Back Exhaust System
• Material: High-grade stainless steel construction
• Installation: Bolt-on to factory hangers
• Fitment: Specific to 2022 Toyota Tundra models

Fits 1992-2002 Mazda RX-7 (FD3S) models with the 13B-REW engine.

The HKS Super Fire Racing Coil Pro provides the high-intensity spark necessary for high-performance rotary applications. Rotary engines are exceptionally sensitive to ignition timing and strength; this kit replaces aging factory coils with high-output units designed to prevent spark blowout under high boost and heavy engine loads. By ensuring a complete burn, these coils help maintain peak power and prevent fuel fouling.

This comprehensive kit is engineered for a clean installation, utilizing a specialized bracket and harness designed specifically for the FD3S chassis. It is an essential upgrade for owners looking to modernize their ignition system or support increased horsepower levels safely.

• High-output ignition coils for improved combustion efficiency
• Vehicle-specific mounting bracket designed for the FD3S engine bay
• Plug-and-play wiring harness included for straightforward integration
• Engineered to withstand high-heat rotary engine environments
• Prevents spark blowout in high-boost and high-RPM scenarios

HKS Super Fire Racing M35i spark plugs are engineered to withstand the extreme cylinder pressures and temperatures of high-performance and modified engines. This pack of 10 provides a complete ignition solution for high-cylinder-count builds or multiple service intervals, offering superior ignitability and durability compared to standard OE components.

The M-Series features a 0.6mm iridium alloy center electrode that reduces the voltage required for spark while significantly improving spark concentration. The ground electrode incorporates a platinum square chip to extend service life and ensure consistent firing under heavy load. Additionally, the outer electrode features a copper core to aid in heat dissipation, helping to prevent pre-ignition and fouling in demanding driving conditions.

• Part Number: M35i
• Quantity: Pack of 10
• Center Electrode: 0.6mm Iridium Alloy
• Ground Electrode: Platinum Square Chip
• Thread Size: 14mm
• Reach: 19mm
• Hex Size: 16mm
• Heat Range: HKS 7 (NGK 7 Equivalent)

Designed for Subaru FA24 engines, this HKS Grommet Type Head Gasket provides a superior seal for high-performance builds requiring precision tolerances. Engineered to maintain combustion chamber integrity under high-load conditions, this gasket features a 1.2mm thickness and is optimized for an 11.3 compression ratio (CR).

The grommet-type construction is specifically chosen for its ability to handle increased cylinder pressures compared to standard stopper-type gaskets. This makes it an essential upgrade for forced induction or high-compression naturally aspirated FA24 setups where head lift or gasket failure is a concern. The multi-layer steel (MLS) design ensures durability and thermal stability across the entire mating surface of the cylinder head and block.

• Engine Compatibility: Subaru FA24
• Gasket Type: Grommet
• Thickness: 1.2mm
• Target Compression Ratio: 11.3 CR
• Construction: High-grade multi-layer steel
• Manufacturer: HKS

Fits the 2021 Subaru WRX.

The HKS LEGAMAX Sport Exhaust is engineered to provide a refined, sporty acoustic profile that enhances the natural boxer engine tone without sacrificing daily-driver comfort. Designed to replace restrictive factory components, this system improves exhaust flow and reduces backpressure, allowing for more responsive performance across the powerband. Each system is precision-manufactured for a perfect fit, utilizing factory mounting points for a direct bolt-on installation.

• Precision-engineered for the 2021 Subaru WRX chassis
• Delivers a sporty, aggressive exhaust note while minimizing interior drone
• Optimized piping diameter for improved flow and efficiency
• Direct bolt-on installation with no fabrication required
• Manufacturer Part Number: LEGAMAX Sport Exhaust

Fits 2017+ Infiniti Q50 and Q60 models equipped with the VR30DDTT 3.0L twin-turbo engine.

The HKS Front Pipe with Catalytic Converter is designed to reduce exhaust backpressure and improve turbocharger response. By replacing the restrictive factory assembly with high-flow SUS304 stainless steel piping, this component allows for more efficient exhaust gas evacuation while maintaining emissions compliance through an integrated catalytic converter. The precision mandrel-bent construction ensures optimal flow characteristics and a direct-fit installation on the VR30 platform.

• Construction: High-grade SUS304 stainless steel
• Finish: Natural / No Coating
• Integrated high-flow catalytic converter included
• Optimized for the VR30DDTT twin-turbocharged engine
• Designed for 2017+ Infiniti Q50 and Q60 chassis
• Replaces restrictive factory front pipe sections

Fine-tune your engine's power delivery with the HKS Adjustable Slide Cam Pulley, specifically engineered for Mazda B6 and BP series engines. Whether you are compensating for timing belt stretch, cylinder head milling, or seeking to optimize the power band for specific track conditions, this pulley provides the precision required for high-performance engine management.

• Precise Adjustment: Features a clear vernier scale for accurate ignition and cam timing adjustments in individual degree increments.
• Durable Construction: The outer gear is typically hard-anodized to resist wear from the timing belt, while the inner plate is CNC-machined from high-strength duralumin for weight reduction and rigidity.
• Secure Locking: Utilizes heavy-duty bolts to ensure your timing settings remain locked under high-RPM stress and vibration.
• Compatibility: Designed for Mazda B6 and BP dual overhead cam (DOHC) engines.

Correctly dialing in your camshafts is essential for maximizing torque and horsepower, particularly on modified engines with aftermarket cams or forced induction setups. This HKS Slide Cam Pulley replaces the factory fixed gear, allowing for professional-grade tuning on the dyno or at the track.

Customize or refresh the look of your exhaust with the HKS Hi-Power SPEC-L Tail Tip Cover. Designed specifically for the SPEC-L and SPEC-L II series, these interchangeable tips allow for easy personalization or replacement of worn components without necessitating a full muffler change. The 118A-L model features a premium Titan (Titanium) finish, providing the distinct heat-gradient look associated with high-performance Japanese exhaust systems.

Built to precise tolerances for a secure fit over the existing outlet, this 94mm cover ensures your vehicle maintains its aggressive aesthetic while benefiting from HKS's durable construction. This is a genuine HKS replacement part, engineered to withstand high exhaust temperatures and environmental exposure.

• Manufacturer Part Number: 34002-AK013 (118A-L)
• Series: Hi-Power SPEC-L / SPEC-L II
• Diameter: 94mm
• Finish: Titan (Titanium)
• Type: Interchangeable Tail Tip Cover