Fits select 1987-2003 Audi, Ford, Hyundai, Mazda, Toyota, and Volkswagen vehicles (including models equipped with VR6 and 16-Valve engines).

Wiseco 4-stroke piston ring sets are engineered to Wiseco's exact specifications to provide critical combustion sealing and oil control. Designed as the primary interface between the piston and the cylinder wall, these rings are developed and tested for race-ready performance. They ensure maximum compression retention and heat transfer, making them an essential component for maintaining peak performance in Wiseco shelf-stock pistons.

• Bore Diameter: 83.00mm
• Application: 4-Stroke
• Performance: Optimized for high-load sealing and friction reduction
• Manufacturer Part Number: 8300XX

Fits select 1984-2006 Audi, Hyundai, and Volkswagen models including A4, TT, Jetta, Golf, and Beetle (1.8T).

Wiseco 4-stroke piston ring sets are engineered to exact specifications to ensure a superior seal between the piston and cylinder wall. Designed to work in conjunction with Wiseco’s 4-stroke pistons, these rings provide critical compression management, heat transfer, and oil control. Whether for a street rebuild or a track-focused application, these rings are developed and tested to maintain performance under high-stress conditions.

• Bore Size: 82.5mm
• Application: 4-stroke engines
• Engineered for optimized sealing and oil control
• Developed for race-ready performance and durability
• Manufacturer Part Number: 8250XX

Fits select 1984-2011 Acura, Audi, Honda, Lotus, Toyota, and Volkswagen models (1.8T).

Wiseco 4-stroke piston ring sets are engineered to exact tolerances to ensure a precision seal with Wiseco shelf-stock pistons. Designed for high-performance and racing applications, these rings provide critical compression sealing and superior oil control to maximize power output and engine longevity. Each set is manufactured to Wiseco's rigorous specifications, ensuring compatibility with their wide variety of 4-stroke piston designs.

• Bore Size: 82.00mm
• Application: 4-Stroke engines
• Optimized for compression and oil control
• Developed and tested for race-ready performance
• Manufacturer Part Number: 8200XX

Whether you are rebuilding a 1.8T for the street or the track, these rings deliver the reliable sealing required to maintain cylinder pressure and reduce blow-by.

Fits select 1984-2011 Acura, Audi, Honda, and Volkswagen models (1.8T).

Engineered for maximum cylinder sealing and oil control, the Wiseco 4-stroke piston ring set is built to meet the rigorous demands of high-performance and racing environments. These shelf-stock rings are manufactured to Wiseco's precise specifications to ensure compatibility and performance when paired with their wide range of 4-stroke pistons. From maintaining compression to managing the oil film on the cylinder wall, these rings are a critical component in preventing blow-by and ensuring consistent power delivery.

• Precision-engineered for 4-stroke engine applications
• Designed for optimized sealing and minimal friction
• Developed and tested for race-ready performance and durability
• Includes a complete set for one piston
• Manufacturer Part Number: 8150XX
• Bore Size: 81.50mm

Fits select 1990-2011 Acura Integra, Honda Civic, and Civic del Sol models.

Wiseco 4-stroke piston ring sets are engineered to precise tolerances to provide ultimate sealing and oil control for high-performance builds. Developed and tested for race-ready environments, these shelf-stock rings ensure consistent compression and long-term reliability when paired with Wiseco 4-stroke pistons. Each set is manufactured to exact specifications to handle the rigors of high-stress engine cycles.

• Bore Diameter: 81.25mm
• Top Ring Thickness: 1.0mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 2.8mm
• Optimized for 4-stroke engine applications
• Manufacturer Part Number: 8125XX

Fits select 1984-2011 Acura, Audi, Honda, and Volkswagen models (1.8T).

Wiseco 4-stroke piston ring sets (MPN: 8100XX) are engineered to meet the high-performance demands of race-ready engines. Specifically designed for compatibility with Wiseco’s extensive range of 4-stroke pistons, these rings provide the critical sealing required to maintain maximum compression and cylinder pressure. From superior oil control to heat transfer, these rings are developed to prevent blow-by and ensure consistent power output in high-stress environments.

Whether you are assembling a street-performance build or a dedicated track machine, these 81.00mm rings deliver the reliability and tolerances necessary for optimal piston performance.

• Bore Diameter: 81.00mm
• Application: 4-Stroke Piston Systems
• Engine Compatibility: 1.8T
• Manufacturer Part Number: 8100XX
• Engineered for superior oil control and compression sealing

Fits 1990-1993 Mazda Miata (Base, LE, and SE models).

Wiseco 4-stroke piston ring sets are engineered to exacting tolerances to provide maximum sealing and long-term durability. These rings are developed to interface perfectly with Wiseco 4-stroke pistons, managing the critical functions of cylinder compression and oil control. Designed for race-ready performance, these rings ensure a precise seal against the cylinder wall to minimize blow-by and maximize power output.

• Bore Diameter: 79.00mm
• Engine Type: 4-Stroke
• Component Type: Piston Ring Set
• Manufacturer Part Number: 7900XX
• Series: Ring Shelf Stock

Fits 1990-1993 Mazda Miata (Base, LE, and SE).

The Wiseco 78.50mm Piston Ring Set (MPN: 7850XX) is engineered to meet the high-performance demands of 4-stroke engines. These rings are manufactured to Wiseco’s exact tolerances to ensure a precision fit and superior sealing when used with Wiseco pistons. By optimizing compression and providing consistent oil control, these rings are essential for maintaining peak engine performance and reducing blow-by in both street and track environments.

Each set is developed and tested for race-ready durability, providing the reliability required for high-RPM applications and rebuilt performance engines.

• Bore Diameter: 78.50mm
• Application: Specifically designed for Wiseco 4-stroke pistons
• Functions: Optimized for compression sealing and oil management
• Durability: Tested for high-performance and racing conditions
• Manufacturer Part Number: 7850XX

Fits 2002-2006 Mini Cooper S.

Wiseco GNH Series 4-stroke piston ring sets are engineered to provide maximum sealing and oil control for high-performance applications. Developed and tested for race-ready performance, these rings are manufactured to Wiseco's precise specifications to ensure optimal compatibility with their 4-stroke pistons. Because ring performance is critical to engine efficiency, the GNH series focuses on maintaining superior compression and oil management to prevent blow-by and power loss.

• Manufacturer Part Number: 7700XX
• Bore Diameter: 77.0mm
• Series: GNH Ring Shelf Stock
• Application: 4-Stroke High-Performance Engines
• Engineered for optimal compression, sealing, and oil control

Engineered for high-performance "Frankenstein" builds, these Wiseco Professional Series forged pistons are designed for Honda K24 blocks paired with K20 cylinder heads. This set delivers a 12.5:1 compression ratio with a +5cc dome volume, providing the durability and thermal stability required for severe-duty racing and high-compression naturally aspirated applications.

Fits select 2002-2011 Acura and Honda RSX, TSX, Accord, CR-V, and Element models with K24/K20 engine configurations.

• Forged from 2618 aluminum alloy for increased tensile strength and resistance to fatigue under extreme cylinder pressures.
• ArmorGlide skirt coating reduces friction and minimizes wear while providing quieter engine operation.
• Precision-machined ring grooves and anti-detonation grooves optimize ring seal and protect the crown from heat damage.
• Forced pin oiling ensures consistent lubrication to the wrist pin for enhanced reliability.
• Fully machined crowns optimized for efficient flame travel and valve clearance.

Included Specs & Fitment:

• Part Number: 6634M875
• Compression Ratio: 12.5:1
• Dome Volume: +5cc
• Material: 2618 Forged Aluminum

Fits select 2002-2011 Acura RSX, TSX and Honda Accord, CR-V, and Element models equipped with K20 or K24 engines.

Wiseco Professional Series forged racing pistons are engineered for high-performance builds that demand exceptional strength and reliability. Machined in the USA from 2618 aluminum alloy, these flat top pistons provide the high tensile strength required for heavy to severe-duty race applications. Each piston features Wiseco’s proprietary ArmorGlide skirt coating to reduce friction, minimize operating noise, and provide superior seizure resistance under high-load conditions.

• Manufacturer Part Number: 6631M87
• Bore Size: 87mm
• Compression Height: 1.181
• Forged from 2618 aluminum for improved tensile strength
• ArmorGlide skirt coating for reduced friction and quieter operation
• Forced pin oiling for enhanced wrist pin lubrication and cooling
• Precision-machined crown and ring grooves with anti-detonation features
• Designed for maximum ring seal and durability in racing environments

The Wiseco Professional Series forged racing piston is engineered for high-performance Acura turbo builds where durability is non-negotiable. Machined in the USA from 2618 aluminum alloy, this piston provides the increased tensile strength required for heavy to severe duty applications. Each piston features Wiseco's proprietary ArmorGlide skirt coating to reduce friction, minimize noise, and provide superior seizure resistance under high-load conditions.

• Forged from 2618 aluminum alloy for maximum tensile strength in forced induction environments
• Specifications: 81.0mm bore and 1.181in compression height with a -12cc dish volume
• ArmorGlide skirt coating for reduced friction, seizure resistance, and quieter operation
• Forced pin oiling ensures critical lubrication at the wrist pin for enhanced reliability
• Precision-machined ring grooves and anti-detonation features for improved ring seal
• Includes premium rings designed for severe duty racing applications
• Manufacturer Part Number: 6541M81AP

Fits select 1997-2004 Chevrolet Camaro, Corvette and Pontiac Firebird, GTO.

Wiseco 4072GFX 4-stroke piston ring sets are precision-engineered to provide critical sealing and oil control for high-performance applications. Developed to Wiseco's exacting specifications, these rings ensure maximum compression and race-ready durability when paired with Wiseco shelf stock pistons. Whether rebuilding for the street or preparing for the track, these rings deliver the tight tolerances and material quality required for consistent power delivery.

• Bore Size: 103.429mm (4.072")
• Set Configuration: 1-Cylinder
• Engineered for superior compression sealing and oil management
• Designed for compatibility with Wiseco 4-stroke pistons
• Manufacturer Part Number: 4072GFX

Fits select 1958-2004 Chevrolet models including Bel Air, Camaro, Corvette, Impala, Blazer, and C/K Series trucks.

This Wiseco GFX Series piston ring set is precision-engineered to meet the high-performance demands of 4-stroke engines. Sized for a 102.41mm (4.032in) bore, this single-cylinder shelf-stock set provides the ultimate sealing and oil control required to maximize piston efficiency. Developed and tested for race-ready performance, these rings ensure consistent compression and reduced friction for long-term durability in various Chevrolet engine applications.

• Bore Size: 102.41mm (4.032in)
• Cylinder Count: 1-Cylinder set
• Engine Type: 4-Stroke
• Series: GFX / Shelf Stock
• Manufacturer Part Number: 4032GFX

Fits select 1999-2012 Subaru Forester, Impreza, and Legacy models.

Wiseco 4-stroke piston ring sets are engineered to exact tolerances to ensure ultimate performance and a precision seal with Wiseco shelf-stock pistons. These rings manage critical engine functions including compression sealing and oil control, providing the durability required for high-performance and race-ready applications. The top ring is manufactured from Steel Moly to withstand high thermal loads while maintaining structural integrity.

• Bore Diameter: 100.0mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.5mm
• Oil Ring Thickness: 2.0mm
• Top Ring Material: Steel Moly
• Application: 4-Stroke Piston Systems
• Manufacturer Part Number: 10000VF