The HKS Fine Tune V-Belt 5PK875 is a performance-grade accessory belt engineered for high-RPM stability and extreme temperature resistance. Designed to replace worn factory belts in high-performance applications, this reinforced belt minimizes stretch and prevents slipping to ensure reliable operation of engine accessories under demanding conditions.

• Product Line: Fine Tune V-Belt
• Specifications: 5-rib design with 875mm length (5PK875)
• Material: Specialized rubber compound optimized for superior resistance against heat, ozone, and cracking
• Reinforced Construction: High-tensile core reduces belt expansion at high speeds, maintaining consistent tension
• Manufacturer Part Number: 24996-AK012

The HKS Fine Tune V-Belt 4PK970 (MPN 24996-AK011) is a performance-grade serpentine belt designed to withstand the extreme heat and high-RPM conditions of tuned engines. Moving beyond standard EPDM or chloroprene belts, the Fine Tune series is engineered to reduce slip and maintain consistent accessory drive performance under aggressive driving loads.

• High-RPM Stability: Specialized core materials minimize stretch, ensuring that your alternator, power steering, or AC compressor maintains consistent operation at high engine speeds.
• Heat Resistance: Advanced rubber compounds prevent the belt from becoming brittle or cracking when subjected to high engine bay temperatures.
• Superior Grip: The 4-rib (4PK) profile is precision-cut to seat perfectly into the pulley grooves, reducing parasitic loss and belt squeal.
• Specifications: 4-rib configuration with a 970mm effective length.

As a critical component of your engine's external drive system, this HKS Fine Tune belt provides the reliability needed for both street and track applications.

The HKS Fine Tune V-Belt 4PK925 is a high-performance accessory drive belt engineered to withstand the extreme conditions of tuned and track-driven engines. Standard rubber belts often suffer from stretching and cracking under high-RPM stress and elevated engine bay temperatures; HKS solves this with a reinforced belt construction that maintains consistent tension and grip.

• Manufacturer Part Number: 24996-AK009
• Belt Type: 4PK925 (4-rib, 925mm length)
• Material: Enhanced EPDM rubber for superior heat resistance and durability
• Performance: Reduced belt stretch and slippage at high engine speeds
• Reliability: Optimized for longevity and stable accessory performance

The HKS Fine Tune V-Belt 4PK910 (24996-AK008) is a high-performance upgrade over standard factory belts, specifically engineered to withstand the increased thermal and mechanical stresses of modified engines. Designed for precision and reliability, these belts offer superior resistance to heat, cracking, and stretching, ensuring consistent performance even during high-RPM operation.

HKS utilizes advanced materials to provide a belt that maintains optimal tension and grip. This reduces the risk of slippage and belt-related failures common in high-performance or track-driven vehicles. The 4PK910 specification ensures a precise fit for specific accessory pulley configurations, replacing worn or inefficient OE belts with a specialized racing-grade component.

• Brand: HKS
• Product Line: Fine Tune V-Belt
• Part Number: 24996-AK008
• Size/Spec: 4PK910 (4 Ribs, 910mm length)
• Enhanced durability and heat resistance for performance applications
• Engineered to minimize slippage and stretch under heavy load

The HKS Fine Tune V-Belt (4PK895) is a high-performance upgrade designed to withstand the extreme thermal and mechanical stresses of high-revving and modified engines. By utilizing advanced EPDM (Ethylene Propylene Diene Monomer) rubber, HKS provides a belt that maintains its integrity in harsh engine bay environments where standard belts may crack or slip.

• High Heat Resistance: EPDM construction offers superior resistance to temperature fluctuations compared to traditional belts, preventing premature degradation.
• Increased Durability: Optimized for high-RPM operation, reducing the risk of belt stretch and ensuring consistent accessory drive performance.
• Enhanced Grip: Designed to minimize slippage, providing reliable power delivery to critical engine components.
• Precision Specifications: 4-rib configuration with an 895mm effective length (4PK895).
• Manufacturer Part Number: 24996-AK007

The HKS Fine Tune V-Belt 4PK880 is a high-performance accessory drive belt engineered to withstand the extreme conditions of high-RPM operation and high-temperature engine bays. Utilizing advanced EPDM (Ethylene Propylene Diene Monomer) rubber construction, this belt provides superior resistance to ozone, heat, and wear compared to standard OEM-grade belts. The specialized material composition reduces the risk of belt stretch and slippage, ensuring consistent power delivery to your engine accessories whether on the street or the track.

• Manufacturer Part Number: 24996-AK005
• Belt Type: 4PK (4 Ribs)
• Length: 880mm
• Construction: High-durability EPDM rubber for increased longevity
• Performance: Reduced weight and high-tension resistance to prevent slippage
• Color: Signature HKS Blue finish

The HKS Fine Tune V-Belt 4PK875 is engineered to withstand the extreme thermal and mechanical stresses of high-performance engines. This belt replaces standard OE accessory belts with a more durable EPDM rubber compound, offering superior resistance to heat-induced cracking and stretching. Designed for consistent power transmission at high RPMs, the Fine Tune series provides the reliability needed for both street and track applications.

• Manufacturer Part Number: 24996-AK004
• Belt Specification: 4PK875 (4 Ribs, 875mm)
• Material: High-durability EPDM rubber for thermal resistance
• Optimized rib profile for improved grip and reduced slippage
• Direct replacement for factory accessory belts

The HKS Fine Tune V-Belt (3PK875) is a high-performance upgrade designed to replace standard accessory belts with a more durable, reliable solution. Constructed from advanced EPDM (Ethylene Propylene Diene Monomer) rubber, this belt is engineered to withstand the extreme temperature fluctuations and high-RPM stresses common in performance engine bays. The EPDM material offers superior resistance to heat, cracking, and ozone degradation compared to traditional chloroprene rubber belts.

By providing consistent tension and a high-friction rib profile, this belt ensures stable power transmission to your vehicle's accessories while minimizing the risk of belt slip or squeal. This is an essential component for drivers who require dependable performance under demanding conditions, whether on the street or the track.

• Manufacturer Part Number: 24996-AK001
• Belt Specification: 3PK875
• Number of Ribs: 3
• Length: 875mm
• Material: High-durability EPDM rubber construction
• Optimized for heat resistance and reduced stretching over time

Upgrade your BMW's engine bay aesthetics with the HKS Type 4 Oil Filler Cap Cover. This premium dress-up component is designed to install directly over the factory oil filler cap, providing a refined, high-performance look that reflects HKS's motorsport heritage. It serves as a durable and stylish alternative to the standard plastic appearance of the original equipment.

• Direct-fit dress-up part for BMW Type 4 oil filler caps
• Constructed for high heat resistance and long-term durability
• Easy installation over the factory cap for an immediate visual upgrade
• Authentic HKS branding and precision finish
• Manufacturer Part Number: 24003-LB004

Fits select Nissan and Honda vehicles with threaded oil filler necks.

Replace your factory plastic oil cap with the HKS 24003-AN001 oil filler cap. This component is precision CNC-machined from billet aluminum and finished in a durable red anodizing to withstand the extreme heat and vibration of a high-performance engine bay. Unlike standard plastic caps that can become brittle and crack over time, this HKS cap provides a secure, leak-free seal and an elevated aesthetic under the hood.

• Manufacturer Part Number: 24003-AN001
• Material: CNC-machined billet aluminum
• Finish: Anodized red with engraved HKS logo
• Seal: Includes high-temperature resistant O-ring
• Fitment: Specific to Nissan and Honda threaded oil filler necks

Upgrade your engine bay aesthetics and reliability with the HKS Billet Aluminum Oil Filler Cap (24003-AK002). This precision-engineered component is designed specifically for the Toyota 86 and Subaru BRZ platform, providing a significant durability upgrade over the factory plastic cap, which can become brittle or difficult to grip over time.

Each cap is CNC-machined from high-grade billet aluminum and finished with a deep red anodized coating for corrosion resistance and a premium look. The knurled outer perimeter is designed for a firm grip, allowing for easy removal and tightening during oil changes. The cap comes complete with a high-quality O-ring to ensure a proper, leak-free seal against the valve cover.

• Manufacturer Part Number: 24003-AK002
• Material: CNC Machined Billet Aluminum
• Finish: Red Anodized with Etched HKS Logo
• Fitment: Fits Toyota 86, Subaru BRZ, and Scion FR-S models
• Design: Screw-on type with knurled grip and included O-ring

Fits 1993-1998 Toyota Supra Turbo models.

The HKS Stopper Type Headgasket is engineered for high-performance builds where cylinder head sealing is critical under elevated boost levels. This multi-layer steel (MLS) gasket utilizes a specialized stopper-style design around the combustion chamber bores, providing a concentrated sealing force that prevents combustion gas leakage and head lift more effectively than standard beaded gaskets.

Measuring 2.0mm in thickness, this gasket is an ideal choice for tuners looking to adjust the static compression ratio or to compensate for material removed during cylinder head and engine block resurfacing. This precision-engineered component ensures a reliable, durable seal for your cooling and oiling passages under extreme thermal and mechanical loads.

• Manufacturer Part Number: 2301-RT043
• Thickness: 2.0mm
• Design: Stopper Type
• Construction: Multi-Layer Steel (MLS)
• Fitment: 1993-1998 Toyota Supra Turbo

Fits 1993-1998 Toyota Supra Turbo (2JZ-GTE).

The HKS Stopper Type Head Gasket is a critical upgrade for high-performance 2JZ-GTE builds where factory sealing limits are exceeded. Engineered for high-boost applications, the stopper design utilizes a folded-over layer around the cylinder bore to create a high-pressure seal, significantly increasing the gasket's resistance to combustion gas leakage compared to standard bead-type gaskets.

• Manufacturer Part Number: 2301-RT042
• Thickness: 1.6mm
• Construction: Multi-Layer Steel (MLS)
• Design: Stopper type for superior combustion chamber sealing
• Engine Compatibility: 2JZ-GTE
• Application: Replaces factory head gasket for improved durability under high cylinder pressures

Fits 1993-1998 Toyota Supra Turbo models equipped with the 2JZ-GTE engine.

The HKS Stopper Type Head Gasket is engineered for high-performance 2JZ-GTE builds where combustion pressures exceed the limits of factory seals. Utilizing a multi-layer steel (MLS) design, this gasket features a unique "stopper" fold around each combustion chamber. This creates a high-pressure ring that provides a superior mechanical seal between the cylinder head and engine block, preventing failure under high boost levels and extreme temperatures.

• Thickness: 1.2mm
• Bore Type: Stopper Type for maximum sealing pressure
• Material: High-grade Multi-Layer Steel (MLS)
• Engine: 2JZ-GTE
• Manufacturer Part Number: 2301-RT041

This gasket is a direct replacement for the OE unit and is a critical upgrade for Supra owners increasing power through forced induction. HKS precision manufacturing ensures a flat, consistent surface for reliable performance in demanding street and track conditions.

Fits 1987-1992 Toyota Supra MK3 models.

Engineered for high-performance and high-boost applications, the HKS Stopper Headgasket provides a critical seal between the cylinder head and block. This stopper-type gasket is specifically designed to handle increased combustion pressures that often cause standard gaskets to fail. By utilizing a folded-over layer around the cylinder bore, it creates a concentrated high-pressure seal to prevent gas leakage and ensure long-term durability under extreme thermal loads.

• Manufacturer Part Number: 2301-RT032
• Thickness: 2.0mm
• Design: Stopper-type Multi-Layer Steel (MLS)
• Application: 1987-1992 Toyota Supra MK3
• Performance: Designed for superior sealing in turbocharged and high-compression builds

Ensure a reliable seal for high-performance and forced induction applications with the HKS 1.2mm Bead Type Head Gasket. Designed specifically for the Nissan SR20 engine series, this gasket replaces the factory composite unit with a multi-layer steel (MLS) construction that provides superior thermal conductivity and durability. The bead-type design increases localized sealing pressure around the combustion chambers to prevent gasket failure and fluid leaks under high boost.

• Manufacturer Part Number: 2301-RN039
• Thickness: 1.2mm
• Engine Compatibility: Nissan SR20 (SR20DE / SR20DET)
• Material: Multi-layer steel (MLS) construction
• Design: High-tension bead profile for enhanced cylinder bore sealing
• Application: Essential for high-boost or high-compression builds

Fits 1989-1999 Eagle Talon TSi models equipped with the 4G63BT engine.

Engineered for high-performance applications, the HKS Stopper Type Head Gasket provides superior sealing capabilities for the 4G63BT platform. This 1.6mm thick gasket is specifically designed to handle the increased cylinder pressures of turbocharged builds, utilizing HKS's stopper-style sealing ring to prevent combustion gas leakage and cooling system contamination.

• Thickness: 1.6mm
• Bore Size: 86.0mm
• Compression Ratio: 8.3:1
• Gasket Type: Stopper Type (Multi-Layer Steel)
• Manufacturer Part Number: 2301-RM007

This gasket is an essential upgrade for 1989-1999 Talon owners performing engine rebuilds or seeking a more durable alternative to factory-style composite gaskets. It ensures a precise fit and reliable seal between the cylinder head and block, maintaining engine integrity under heavy load and high boost levels.

Fits 1989-1999 Eagle Talon TSi models equipped with the 4G63BT engine.

The HKS Stopper Type Head Gasket is a critical upgrade for high-performance 4G63 builds, specifically designed to handle increased cylinder pressures that lead to head lift and gasket failure in stock or inferior replacements. The "stopper" design utilizes a fold-over layer around each combustion chamber, creating a high-pressure seal that concentrates clamping force exactly where it is needed most to prevent combustion gas leakage under high boost.

• Manufacturer Part Number: 2301-RM006
• Gasket Thickness: 1.2mm
• Bore Diameter: 86mm
• Compression Ratio: 8.6 CR (Application specific)
• Construction: Multi-Layer Steel (MLS) for superior thermal conductivity and durability
• Engineered for precise alignment with factory oil and coolant passages

Designed for high-performance builds, the HKS HGK Engine Overhaul Kit provides the necessary sealing components for a comprehensive RB26DETT refresh or rebuild. This kit is anchored by a 1.6mm Stopper-type multi-layer steel (MLS) head gasket, specifically engineered to withstand the extreme cylinder pressures and thermal loads found in high-boost turbocharged applications.

The Stopper-type design features a unique folded steel layer around the combustion chambers, creating a high-pressure seal that prevents gas leakage and protects against head lift better than conventional bead-type gaskets. This kit (MPN 23009-AN012) is a professional-grade solution for tuners seeking to maintain combustion integrity under heavy load.

• Engine Compatibility: Nissan RB26DETT
• Head Gasket Thickness: 1.6mm
• Gasket Type: Stopper-type Multi-Layer Steel (MLS)
• Kit Includes: Stopper head gasket, intake and exhaust manifold gaskets, valve stem seals, and various essential O-rings and gaskets
• Manufacturer Part Number: 23009-AN012

Fits 2009-2010 Nissan GT-R models equipped with the VR38DETT engine.

The HKS Metal Stopper Head Gasket Set is engineered to provide superior sealing for high-performance VR38DETT builds. Utilizing a multi-layer steel (MLS) construction, the "Stopper" design features a specialized folded-over inner layer around the combustion chamber. This creates a high-pressure seal capable of containing extreme cylinder pressures and preventing combustion gas leakage, which is critical for forced induction applications running increased boost levels.

This specific set is precision-engineered for 96mm bore engines and is designed to maintain a 9.0 compression ratio when paired with compatible rotating assembly components. By replacing the factory gasket with this HKS unit, you improve the structural integrity of the interface between the cylinder head and engine block, ensuring long-term reliability under heavy load.

• Manufacturer Part Number: 23009-AN010
• Bore Specification: 96mm
• Compression Ratio (CR): 9.0
• Gasket Type: Metal Stopper (Multi-Layer Steel)
• Includes: Complete set for both cylinder heads

Designed for high-performance Nissan RB26DETT engines, this HKS gasket set provides a reliable seal for both the intake and exhaust manifolds. These gaskets are engineered to withstand the extreme thermal cycling and increased cylinder pressures common in turbocharged applications, replacing worn or leaking OE gaskets that can lead to boost leaks or exhaust gas bypass.

• Direct replacement for factory manifold gaskets on the RB26DETT engine
• Constructed to maintain seal integrity under high-heat and high-pressure conditions
• Helps prevent exhaust leaks that can affect turbo spool and sensor accuracy
• Essential for engine rebuilds or manifold upgrades
• Manufacturer Part Number: 23009-AK004

Ensure a leak-free seal for your high-performance engine with the HKS Exhaust Manifold Gasket, designed specifically for the Nissan RB26DETT. This precision-engineered gasket (MPN: 23009-AK003) is built to withstand the extreme heat and pressure cycles typical of turbocharged inline-six setups.

• Direct replacement for the factory exhaust manifold gasket on RB26DETT engines.
• Engineered for superior thermal resistance and durability under high-boost conditions.
• Critical for maintaining exhaust velocity and turbocharger efficiency by preventing pre-turbo exhaust leaks.
• Manufactured by HKS to exacting tolerances for a perfect fit against the cylinder head ports.

Whether you are performing a routine service or a complete manifold upgrade on a Nissan Skyline GT-R, using a reliable gasket is essential for optimal engine performance and turbo response. Manufacturer Part Number: 23009-AK003.

The HKS Intake Manifold Gasket (23009-AK002) is a precision-engineered component designed to provide a superior seal between the intake manifold and the cylinder head. Maintaining a perfect airtight seal is critical for preventing vacuum leaks, which often lead to lean-running conditions, erratic idling, and lost engine performance.

Constructed to meet HKS's rigorous standards, this gasket ensures consistent manifold pressure and reliable performance in both high-heat and high-pressure environments. It is an essential replacement during manifold service to ensure peak volumetric efficiency.

• Manufacturer Part Number: 23009-AK002
• Precision-cut for an exact, leak-free fit
• Engineered for high-performance and forced induction applications
• Direct replacement for worn or damaged OE-style gaskets

The HKS Throttle Body Gasket is a precision-engineered replacement component designed specifically for the Nissan RB26DETT engine. In high-performance and turbocharged applications, maintaining a perfect, airtight seal at the intake interface is critical for consistent idle quality and preventing power-robbing boost leaks.

This gasket serves as a direct replacement for the factory unit, ensuring a reliable seal between the throttle body and the intake plenum. Whether you are performing routine maintenance, installing an upgraded intake manifold, or conducting a complete engine overhaul, using HKS hardware ensures fitment and durability that meets or exceeds original equipment standards.

• Fits Nissan RB26DETT engines
• Engineered to prevent vacuum and boost leaks
• Precision cut for exact fitment between throttle body and plenum
• Direct replacement for the OE gasket
• Manufacturer Part Number: 23009-AK001

Designed for high-performance Nissan RB26DETT engines, the HKS Grommet Type Head Gasket provides a superior seal for high-boost and high-compression applications where factory gaskets often fail. This 1.2mm thickness gasket is engineered to withstand extreme cylinder pressures, making it a critical upgrade for built engines and forced induction setups requiring maximum combustion chamber integrity.

• Engine Compatibility: Nissan RB26 / RB26DETT
• Thickness: 1.2mm
• Gasket Type: Grommet Type
• Application: High-boost/High-compression sealing
• Manufacturer Part Number: 23002-AN002

Fits select 2003-2005 Nissan and Infiniti models equipped with the VQ35DE engine.

This HKS Stopper-type head gasket is engineered to provide superior sealing for high-output engines where standard bead-type gaskets may fail. By incorporating a folded "stopper" layer around the cylinder bore, this gasket creates a high-pressure seal that effectively contains increased combustion pressures in both naturally aspirated and forced induction applications.

• Engine Compatibility: VQ35DE
• Bore Size: 97mm
• Thickness: 0.7mm
• Compression Ratio: 10.3:1
• Construction: Multi-layer steel (MLS) with stopper-layer technology
• Manufacturer Part Number: 23001-AN002

The 97mm bore and 0.7mm thickness are specifically matched to maintain a 10.3:1 compression ratio, making this an essential component for precision engine builds requiring tight tolerances and maximum reliability under load.

Engineered for the high-cylinder pressures of forced induction, the HKS Stopper Head Gasket is a critical upgrade for the Mitsubishi Evolution X (4B11T). This multi-layer steel (MLS) gasket utilizes a "stopper" type design, featuring a folded-over layer around the combustion chamber to provide a high-pressure seal that prevents combustion leakage where standard gaskets often fail.

This gasket is specifically designed for engines with an 87.5mm bore and maintains a 9.1 compression ratio, making it an ideal choice for performance builds requiring precise tolerances and improved thermal conductivity across the deck surface.

• Fits 2008-2015 Mitsubishi Evolution X (4B11T)
• Gasket Type: Stopper
• Thickness: 1.0mm
• Bore Size: 87.5mm
• Compression Ratio: 9.1 CR
• Manufacturer Part Number: 23001-AM006

Ensure a reliable cylinder head seal under extreme combustion pressures with the HKS SMG/K Metal Head Gasket. Specifically engineered for the Mitsubishi 4G63 engine found in the Lancer Evolution IV through IX, this 1.6mm thick gasket is a critical upgrade for high-performance builds where factory seals are prone to failure under increased boost.

This stopper-type multi-layer metal (MLM) gasket provides superior thermal conductivity and sealing surface pressure across the cylinder bore and fluid passages. By utilizing high-grade materials and precise manufacturing tolerances, HKS ensures this gasket can withstand the rigorous demands of forced induction and high-horsepower racing applications.

• Fits Mitsubishi Lancer Evolution IV, V, VI, VII, VIII, and IX (4G63 engine)
• Thickness: 1.6mm
• Type: SMG/K Stopper Type Multi-Layer Metal
• Engineered for high-boost and high-temperature reliability
• Manufacturer Part Number: 23001-AM005

Fits 2003-2006 Mitsubishi Lancer Evolution 8 and 9 (4G63).

The HKS Stopper Head Gasket is engineered for high-output applications where maintaining a reliable cylinder head seal is critical. This multi-layer steel (MLS) gasket features a specialized stopper design, incorporating a folded-over layer around the combustion chamber to create a high-pressure seal. This construction effectively prevents combustion gas leakage and head gasket failure in turbocharged engines running high boost levels.

Designed for precision fitment, this gasket accommodates an 86mm bore, making it suitable for engines with a slight overbore. The 1.2mm thickness allows for specific tuning of the compression ratio and quench height, providing the durability needed for competitive track use or high-performance street builds.

• Manufacturer Part Number: 23001-AM004
• Bore Diameter: 86mm
• Thickness: 1.2mm
• Construction: Multi-Layer Steel (MLS) with Stopper Ring
• Compatibility: 2003-2006 Mitsubishi Evo 8/9
• Compression Ratio Note: Configured for 8.5 CR builds

The HKS RB26 Power Transistor Cover (22998-AN003) is a high-quality dress-up component designed specifically for the RB26 engine's ignition system. This cover provides a clean, professional aesthetic to the engine bay by shielding or replacing the look of the factory power transistor unit with a durable black finish and iconic HKS branding.

• Direct fitment for RB26 engine power transistor units
• High-grade construction with a heat-resistant black finish
• Features signature HKS logo for authentic styling
• Replaces or covers the worn factory igniter appearance
• Manufacturer Part Number: 22998-AN003