Fits 1990-2005 Mazda MX-5 (B6-ZE).

The HKS Fine Tune Timing Belt is engineered to provide the durability and precise valve timing required for high-performance and high-RPM engines. Standard belts can stretch or degrade under the intense heat and mechanical stress of spirited driving or track use. HKS utilizes specialized materials and construction to ensure consistent belt tension and resistance to thermal expansion, keeping your camshafts and crankshaft perfectly synchronized.

• High-strength construction prevents belt stretch at high RPM
• Superior heat resistance for improved longevity in demanding engine bays
• Precision-molded tooth profile ensures exact timing and reduced vibration
• Essential upgrade for both naturally aspirated and forced induction builds

Fits 1990-1995 Toyota MR2 Turbo. This HKS high-performance timing belt is engineered to provide the durability and precise valve timing required for turbocharged applications. It serves as a direct replacement for the factory belt, offering significantly improved resistance to heat, oil, and stretching compared to standard OE-grade components.

Constructed with high-strength materials, this belt is designed to maintain consistent tension and timing accuracy even under the extreme thermal stress and high-RPM conditions common in modified MR2 builds. Replacing a worn belt with HKS hardware helps prevent tooth shear and catastrophic engine failure during spirited driving.

• Engineered for 1990-1995 Toyota MR2 Turbo models
• Superior resistance to heat and expansion
• Maintains precise valve timing under high-load conditions
• High-strength construction for increased service life and reliability

Fits Honda B16B and B18C engines.

The HKS Fine Tune Timing Belt Sport is engineered to maintain precise valve timing under high-RPM and high-temperature conditions. Standard rubber belts are prone to stretching and heat soak in performance applications, which can lead to ignition timing drift or catastrophic belt failure. This reinforced belt is designed to withstand the increased stress of modified engines, ensuring your valvetrain stays in perfect sync.

• High-strength construction resists stretching and deformation during high-load operation
• Advanced heat-resistant materials prevent premature wear in high-performance engine bays
• Optimized tooth profile for precise engagement and reduced friction
• Direct replacement for the factory timing belt on B16B and B18C platforms

Fits select 1995-1997 Ford E-350 Econoline, F-250, and F-350 models (7.3L).

Maintain the reliability of your heavy-duty diesel cooling and charging systems with the Gates Fleetrunner Micro-V Serpentine Belt. Engineered specifically for high-mileage and demanding commercial applications, the Fleetrunner series is designed to withstand the intense heat cycles and high-load environments typical of the 7.3L diesel engine. This belt features advanced materials that resist cracking and stretching, ensuring consistent power delivery to critical accessories like the alternator, water pump, and AC compressor.

• Heavy-duty construction engineered for diesel engine operating temperatures
• Precision-ground ribs provide a secure fit and reduce pulley vibration
• Advanced EPDM materials resist oil, heat, and ozone degradation
• Replaces worn or squealing factory belts in Ford F-Series and E-Series applications
• Manufacturer Part Number: K081189HD

The HKS Fine Tune V-Belt 4PK950 is a high-performance accessory drive belt engineered for modified engines and high-RPM environments. This belt is designed to replace standard OE units with a more durable solution that resists the stretching and slipping often encountered during spirited driving or track use.

• Construction: Utilizes high-durability EPDM (Ethylene Propylene Diene Monomer) rubber for superior heat and wear resistance.
• Performance: Optimized rib profile maintains tension and reduces noise under high loads.
• Specifications: 4-rib design (4PK) with a 950mm length.
• Reliability: Engineered to provide consistent power delivery to critical accessories like the alternator, power steering pump, or A/C compressor.
• Manufacturer Part Number: 24996-AK010

Fits Honda Civic Type R (FK8) and Hatchback (FK7) models.

The HKS Fine Tune V-Belt (24996-AK047) is a high-performance upgrade for your engine's accessory drive system. Designed specifically for the high-RPM demands of the Honda Civic Type R and Hatchback platforms, this belt utilizes specialized materials to resist the heat and mechanical stress that often cause factory belts to stretch or slip during spirited driving.

• Precision Engineering: Features a 7-rib design at a 1710mm length (7PK1710) for a perfect fit on OE pulleys.
• Enhanced Durability: Constructed to minimize stretch and deformation, ensuring consistent power delivery to the alternator, AC compressor, and water pump.
• Heat Resistance: Advanced composite construction resists thermal degradation better than standard rubber belts, extending service life in cramped, high-heat engine bays.
• Manufacturer Part Number: 24996-AK047

Fits select 1990-2002 Honda Accord, Prelude, Odyssey, Acura CL, and Isuzu Oasis models.

The Gates Racing Performance Timing Belt (T186RB) is engineered for high-output engines and extreme operating conditions. Constructed from HNBR elastomeric composites, these belts are designed to provide up to three times the heat resistance and life of standard OE-replacement belts. The high-strength tensile cords and nylon fiber reinforcement ensure the belt maintains its integrity under the high-RPM stress of spirited driving or track use.

• Increased Durability: Engineered to be 300% stronger than standard belts for superior resistance to stretching and tooth shear.
• Heat Resistance: High-grade HNBR rubber protects against the high temperatures found in high-performance engine bays.
• Precise Timing: Manufactured to exacting tolerances for perfect tooth-to-sprocket engagement, ensuring consistent valve timing.
• Manufacturer Part Number: T186RB

Whether you are maintaining a high-revving Prelude VTEC or ensuring the reliability of a daily-driven Accord, this belt offers the extra margin of safety required for long-term engine health.

The HKS Fine Tune V-Belt 6PK2037 is engineered for high-performance engines that demand more reliability than a standard OEM belt can provide. Designed to withstand the extreme temperatures and rapid RPM fluctuations of tuned powerplants, this belt ensures consistent power delivery to your engine's accessories while minimizing parasitic loss.

Constructed from high-durability EPDM (Ethylene Propylene Diene Monomer) rubber, the Fine Tune series offers superior resistance to heat, oil, and weather compared to traditional polychloroprene belts. The specialized internal cord material significantly reduces belt stretch over its service life, maintaining proper tension and preventing slippage during aggressive driving. The signature HKS purple coloring provides a distinct aesthetic upgrade for your engine bay.

• Manufacturer Part Number: 24996-AK053
• Belt Specification: 6-Rib (6PK)
• Length: 2037mm
• Material: High-performance EPDM rubber
• Performance: Enhanced heat resistance and reduced tensile stretch

The HKS Fine Tune V-Belt 6PK1905 is a performance-engineered serpentine belt designed to withstand the extreme heat and high-RPM stresses of tuned engines. By utilizing specialized materials that offer superior resistance to stretching and wear, this belt provides more consistent power delivery to engine accessories than standard OE-style belts. This 6-rib belt is an essential upgrade for enthusiasts looking to prevent belt slip and ensure long-term reliability under heavy engine loads.

• Manufacturer Part Number: 24996-AK035
• Belt Specification: 6PK1905
• Number of Ribs: 6
• Length: 1905mm
• High-heat and high-RPM resistant construction
• Reduces slip and maintains consistent tension

Fits select 1998-2012 Buick, Chevrolet, Hyundai, Land Rover, Mercury, and Pontiac models (2.0T).

The Gates Micro-V Serpentine Belt (K060926) is engineered to restore factory-level reliability and performance to your vehicle's accessory drive system. Designed to replace worn or squealing OE belts, this belt utilizes advanced materials to resist heat, cracks, and stretching under load. Whether you are maintaining a daily driver or a performance-oriented 2.0T Hyundai Genesis Coupe, a fresh Gates belt ensures consistent power delivery to critical components like the alternator, water pump, and power steering pump.

• Precision Fit: Engineered to match original equipment specifications for proper tension and belt alignment.
• Advanced Construction: Built with EPDM rubber for superior resistance to heat, ozone, and environmental contaminants.
• Quiet Operation: Optimized rib profile reduces noise, vibration, and harshness during high-RPM operation.
• High Durability: Designed to withstand high-mileage wear and prevent unexpected belt failure.
• Manufacturer Part Number: K060926

Fits 1993-2001 Honda Prelude S, Base, VTEC, and Type SH models.

The Gates Racing Performance Timing Belt is engineered for the high-RPM and high-heat environments of performance engines. This high-strength belt (MPN T226RB) provides significantly higher durability and resistance to tooth shear compared to standard replacement belts, making it a critical upgrade for track use or spirited driving. Designed to maintain precise valvetrain synchronization, it serves as a direct-fit replacement for the factory timing belt on H-series and F-series engines found in the fourth and fifth-generation Prelude.

• Manufacturer Part Number: T226RB
• Product Series: Gates Racing Performance
• Fitment: 1993-2001 Honda Prelude (All Trims)
• Construction: High-strength reinforced elastomers for heat and wear resistance

Fits select 2016-2024 Infiniti Q50, 2017-2022 Infiniti Q60, and 2023-2024 Nissan Z models equipped with the 3.0L engine.

The Gates Micro-V Serpentine Belt is engineered as a direct-fit replacement for your vehicle's accessory drive system. Designed to meet or exceed original equipment standards, this belt ensures efficient power transfer to critical components like the alternator and A/C compressor. Its advanced EPDM construction is specifically formulated to withstand the high temperatures of modern engine bays while resisting the cracking and stretching that lead to belt failure.

• Precision Engineering: Rib profile is ground for exact fitment, reducing vibration and belt noise.
• Durable Construction: Made from heat-resistant EPDM rubber for a longer service life under demanding conditions.
• OEM Compatibility: Replaces worn or squealing factory belts to restore smooth accessory drive operation.
• Manufacturer Part Number: K060766A

Fits select 1999-2003 Ford F-250 Super Duty, F-350 Super Duty, and Excursion.

The Gates Fleetrunner Micro-V Belt (K081223HD) is specifically engineered to handle the high-heat and heavy-load conditions common in high-mileage truck and fleet applications. This heavy-duty serpentine belt provides reliable power transfer to your engine's accessories, including the alternator, water pump, and cooling fan. Designed to resist cracking and stretching, the Fleetrunner series offers superior durability compared to standard aftermarket belts, ensuring your vehicle stays on the road longer.

• Manufacturer Part Number: K081223HD
• Engineered for high-duty cycles and heavy-load engine environments
• Direct replacement for a precision fit on factory pulleys
• Constructed with advanced materials to resist heat, wear, and fatigue
• Heavy-duty design ideal for high-mileage and commercial use

Fits 2003-2006 Mitsubishi Lancer Evolution.

The GReddy Performance Timing Belt (13534500) is engineered to provide the durability and precision required for high-stress engine environments. Designed as a direct replacement for the factory belt, this component offers increased resistance to heat and stretching, ensuring accurate synchronization between the crankshaft and camshafts even under high-load and high-RPM conditions. Maintaining proper timing is critical for protecting your valvetrain and ensuring consistent engine performance.

• High-tensile strength construction to prevent belt stretch
• Enhanced thermal resistance for improved longevity in high-performance applications
• Precise tooth profile for secure engagement with timing gears
• Direct fit for 2003-2006 Evolution models
• Manufacturer Part Number: 13534500

The GReddy Performance Timing Belt is a critical reliability upgrade for high-output Nissan RB-series engines, including the RB20, RB25, and RB26. Designed to withstand the thermal stress and mechanical loads of modified engines, this reinforced belt provides the timing precision required for high-RPM applications.

Constructed to resist stretching and snapping, this belt ensures your valvetrain stays in sync even under aggressive driving conditions. It is a direct replacement for the factory belt, fitting the original timing gears and tensioner setup while offering significantly improved durability over standard OE components.

• Compatible with Nissan RB20, RB25, and RB26 engines
• Reinforced materials for superior heat and stretch resistance
• Precise tooth profile for consistent cam timing engagement
• Essential for high-horsepower and high-RPM engine builds
• Manufacturer Part Number: 13524500

The Gates T168 Timing Belt is a precision-engineered replacement designed to maintain critical valve timing synchronization. Built to meet or exceed OE performance standards, this belt utilizes high-strength tensile cords and durable synthetic rubber compounds to resist stretching, heat, and premature wear in demanding engine environments.

A failing timing belt can lead to catastrophic engine damage, especially in interference engines. Replacing a worn belt with the Gates T168 ensures reliable operation for daily driving or performance applications. This belt is designed for direct fitment into the factory timing system, providing the exact tooth profile and pitch required for quiet and efficient operation.

• Manufacturer Part Number: T168
• Construction: High-grade synthetic rubber with reinforced tensile members
• Durability: Highly resistant to heat, oil, and contamination
• Fitment Type: Direct OE replacement

Fits select 1989-2007 Mitsubishi (Eclipse, Galant, Lancer Evolution, Outlander), Chrysler (Sebring), Dodge (Stratus, Ram 50), Eagle (Talon, Summit), Hyundai (Elantra, Sonata), and Plymouth (Laser, Colt Vista) models.

The HKS Fine Tune V-Belt (4PK806) is engineered for high-performance environments where standard OEM belts may stretch or degrade. Utilizing high-strength EPDM (Ethylene Propylene Diene Monomer) rubber, this belt provides superior resistance to extreme engine bay temperatures and friction-induced heat. This ensures consistent power delivery to your vehicle's accessories while minimizing the risk of belt slip or failure during high-RPM operation.

• High-Strength EPDM: Offers improved durability and resistance to cracking or hardening compared to standard rubber belts.
• Consistent Tension: Designed to resist stretching, maintaining precise tension for accessory pulleys.
• Precision Fit: 4-rib design (4PK) with an effective length of 806mm.
• Part Number: 24996-AK002

Fits 1996-2000 Honda Civic and Honda Civic del Sol.

The Gates TCKWP227 Timing Belt Component Kit with Water Pump provides a comprehensive solution for critical engine maintenance. This kit includes all the necessary components to perform a complete timing system service, ensuring your engine's valvetrain remains synchronized and the cooling system functions efficiently. By replacing the belt, tensioner, and water pump simultaneously, you prevent premature wear and the high cost of redundant labor.

• Complete System Refresh: Includes a high-grade timing belt, tensioning hardware, and a premium water pump.
• OE-Quality Construction: All components are engineered to meet or exceed original equipment standards for fit and durability.
• Reinforced Timing Belt: Constructed with heat-resistant materials and robust cord reinforcement for maximum service life.
• Efficient Cooling: The included water pump features high-quality seals and precision-cast impellers to ensure consistent coolant flow.
• Exact Fitment: Designed specifically for the Honda 1.6L and related engine configurations found in the Civic and del Sol.
• Manufacturer Part Number: TCKWP227

Vehicle Fitment:
1996-1997 Honda Civic del Sol (VTEC, S, Si)
1999-2000 Honda Civic (CX, DX, EX, HX, LX, Si, Value Package)

The Gates Heavy Duty Micro-V belt is engineered to handle the high-torque and high-load demands of heavy-duty engine systems. This 8-rib serpentine belt provides reliable power transfer for critical engine accessories, including the alternator, water pump, and A/C compressor, ensuring consistent performance even in severe operating conditions.

Constructed with advanced materials designed to resist heat, oil, and cracking, this belt serves as a robust replacement for worn or squealing accessory drive belts. Its heavy-duty construction reduces vibration and maintains precise tension to prevent slippage and premature component wear.

• Manufacturer Part Number: K080885HD
• Rib Count: 8 Ribs
• Effective Length: 88.54 inches (2249mm)
• Series: Heavy Duty Micro-V
• Resistant to heat and contamination for extended service life

Fits select 2004-2008 International/Navistar models.

The Gates FleetRunner Micro-V belt is engineered specifically for the demanding conditions of heavy-duty fleet and commercial truck applications. Designed to withstand the high heat and constant load cycles common in Navistar engines, this belt utilizes a specialized compound that resists cracking and stretching far better than standard EPDM belts. Whether you are managing a fleet or maintaining a single work truck, the FleetRunner series provides the reliability needed to prevent unexpected downtime on the road.

• Manufacturer Part Number: K080845HD
• Construction: Heavy-duty compound designed for superior heat and oil resistance.
• Performance: High-modulus, low-stretch polyester tensile cords handle high-torque loads.
• Precision Fit: Ground ribs ensure maximum contact with pulleys to reduce noise and vibration.
• Durability: Built to exceed OE specifications for heavy-duty belt life.

Fits all Subaru vehicles equipped with EJ-series engines including the EJ20 and EJ25.

The Torque Solution HD Timing Belt Tensioner Bracket (TS-SU-605) is a critical upgrade for high-performance Subaru EJ engine builds. In high-RPM applications or engines utilizing aggressive camshaft profiles and heavy-duty valve springs, the factory cast bracket can flex or fail, leading to improper belt tracking and potential engine damage. This heavy-duty bracket provides the necessary rigidity to maintain precise belt tension and alignment under extreme loads.

• Replaces factory cast bracket with a high-strength reinforced design
• Eliminates tensioner flex during high-RPM operation and high-lift cam applications
• Ensures consistent timing belt tracking for valvetrain safety
• Direct bolt-on fitment using factory mounting points
• Manufacturer Part Number: TS-SU-605

Fits Subaru vehicles equipped with the EJ-series engine (EJ20, EJ22, and EJ25). Ensure your engine's timing remains precise with the Torque Solution HD Timing Belt Tensioner (TS-SU-605-O). This heavy-duty unit is designed to provide the reliable hydraulic pressure required to maintain proper belt tension across the entire RPM range, especially during high-performance driving.

As an OEM-based component, it offers factory-level fitment and reliability while meeting the demands of modified EJ-series platforms. Replacing a worn or leaking tensioner is critical maintenance to prevent belt slack, which can lead to skipped timing and catastrophic valve-to-piston contact.

• Direct OEM replacement for a perfect factory fit
• Heavy-duty hydraulic assembly for consistent belt tension
• Essential for timing belt service and high-load applications
• Manufacturer Part Number: TS-SU-605-O

Fits 2011-2013 Ford F-150 models (6.2L) equipped with a ROUSHcharged supercharger system.

This heavy-duty 6-rib serpentine belt is the direct replacement for the Front End Accessory Drive (FEAD) on supercharged 6.2L F-150 applications. Measuring exactly 3,200mm in length, this belt is engineered to maintain the precise tension and grip required to drive the supercharger and all engine accessories without slipping. It is a critical service item to ensure the reliability and boost consistency of your ROUSHcharged powertrain.

• Belt Profile: 6K (6-Rib)
• Length: 3,200mm
• Application: ROUSHcharged FEAD Systems
• Manufacturer Part Number: 421627

Fits 2011-2014 Ford F-150 and Mustang (5.0L).

This Roush 6-rib (6K) FEAD serpentine belt is engineered for performance Front End Accessory Drive systems. Measuring 2,085 millimeters in length, this belt provides the specific tension and durability required for high-output 5.0L applications, including Roush TVS P1, P2, and P3 supercharger configurations. It serves as a critical component for maintaining reliable accessory operation and power delivery in forced induction setups.

• Manufacturer Part Number: 421626
• Length: 2,085 mm
• Belt Profile: 6-Rib (6K)
• System Compatibility: Roush P1, P2, and P3 Supercharger FEAD

Fits select 2005-2010 Ford Mustang models including Base, Bullitt, GT, and Shelby GT500 variants (4.6L).

The Roush Heavy Duty Belt Tensioner is engineered to manage the increased rotational forces exerted on the Front End Accessory Drive (FEAD) in supercharged applications. Originally included as standard equipment in 2010 ROUSHcharger systems, this unit provides the necessary spring tension and structural rigidity to prevent belt slip and ensure consistent power delivery under high-load conditions.

This tensioner serves as a direct replacement for 2010 ROUSHcharger kits and is a recommended upgrade for all single-belt TVS R2300 ROUSH supercharger systems installed on 2005-2009 Mustang GT models. It is built to withstand the rigorous demands of high-performance driving while maintaining proper belt alignment.

• Manufacturer Part Number: 404225
• Designed for heavy-duty FEAD applications
• Compatible with Roushcharger kits: #420026, #420027, and #420024
• Engineered for 4.6L 3V and supercharged V8 configurations
• Optimized for single-belt TVS R2300 supercharger setups

Designed for high-performance Toyota 1.6L 4A-GE and supercharged 4A-GZE engines, the HKS Upgraded Timing Belt (113R) provides the structural integrity required for high-revving applications and modified builds. Factory belts are prone to stretching or tooth deformation under the extreme thermal loads and mechanical stress of spirited driving. This HKS belt utilizes high-tension cords and heat-resistant compounds to maintain precise valve timing and prevent catastrophic engine failure.

• Optimized for Toyota 4A-GE and 4A-GZE 16-valve engines.
• 113-tooth (113R) configuration for exact OE-replacement fitment.
• Enhanced tensile strength minimizes belt stretch across the RPM range.
• Constructed with specialized rubber compounds for superior resistance to oil, water, and heat.
• Finished in signature HKS purple for easy inspection and a performance look.
• Manufacturer Part Number: 24999-AT009

Engineered for high-performance Toyota 3S-GE and turbocharged 3S-GTE engines, the HKS Fine Tune Timing Belt (24999-AT006) is built to withstand the extreme thermal loads and high-RPM stresses of modified powerplants. This upgraded belt addresses the common issues of belt stretch and tooth shearing found in standard OE replacements during aggressive driving or track use.

• High-Strength Construction: Utilizes high-saturation H-NBR rubber for superior heat resistance and durability.
• Precise Valve Timing: Reinforced tensile cords minimize stretching, ensuring accurate ignition and cam timing across the entire powerband.
• Tooth Durability: Optimized teeth profile and material composition prevent deformation and cracking under heavy loads.
• Fitment: Specifically designed for Toyota 3S-G(T)E engines with the 177Y belt specification.
• MPN: 24999-AT006

Fits 1993-1998 Toyota Supra models. The HKS Fine Tune Timing Belt is designed to provide the increased durability and strength required for high-performance 2JZ builds. As engine heat and RPM levels rise, standard timing belts can stretch or degrade, leading to inconsistent cam timing and potential engine damage.

• Precision Engineering: Designed to maintain accurate valvetrain synchronization even under extreme thermal stress.
• High-Strength Construction: Built with specialized materials to resist stretching and tooth deformation during high-load operation.
• Direct Fit: Replaces the factory timing belt using original equipment tensioners and pulleys.
• Manufacturer Part Number: 24999-AT004

Whether you are performing a routine 60k-mile service or building a high-horsepower street or track car, this HKS belt offers the reliability needed for critical engine timing components.

Fits select JDM 1992-2004 Toyota JZX90, JZX100, and JZX110 (Chaser, Mark II, Cresta, and Verossa) equipped with the 1JZ-GTE engine.

The HKS Fine Tune Timing Belt is a critical upgrade for high-performance 1JZ-GTE builds where precise valve timing and durability are paramount. Engineered to surpass the limitations of standard rubber belts, this reinforced belt (MPN 24999-AT003) is designed to resist stretching even under the extreme thermal loads and high-RPM stress common in modified turbocharged engines. By maintaining consistent tension and gear mesh, it ensures your engine's timing remains accurate to prevent performance loss or catastrophic internal damage.

• High-Strength Construction: Utilizes advanced materials to provide superior resistance to heat, cold, and elongation.
• Precise Fitment: Designed specifically for the JDM 1JZ-GTE engine platform to match factory gear profiles exactly.
• Increased Durability: Engineered to withstand the sudden torque changes and high-load demands of performance driving.
• Part Number: 24999-AT003

Note: This is a special order item specifically for JDM-market vehicle applications.

Designed for the high-performance demands of the Nissan RB26 engine, the HKS Fine Tune Timing Belt Sport provides the essential durability and timing precision required for tuned applications. This belt is engineered to replace the factory component, offering superior resistance to heat, oil, and stretching, which are common failure points in high-RPM or high-horsepower builds.

• Fits Nissan RB26 engines.
• High-strength construction minimizes stretching for consistent valve timing across the RPM range.
• Increased heat resistance ensures longevity in demanding engine bay environments.
• Optimized tooth profile for precise engagement with camshaft and crankshaft pulleys.
• Manufacturer Part Number: 24999-AN002.