Fits select 1994-2003 Ford E-350, E-450, F-250, F-350, F-450, F-550, and Excursion models with the 7.3L Turbo Diesel engine.

MAHLE 41768 piston rings are engineered to meet rigorous OE requirements, specifically designed for the high-demand environment of Ford 7.3L Power Stroke and IDI diesel engines. This moly-faced ring set is technically advanced to minimize internal friction and ring mass, which directly results in reduced engine oil consumption and a longer service life for your engine block.

• Specifically calibrated for Navistar-based 7.3L DI and IDI diesel engines
• Moly-coated face provides superior heat resistance and durability
• Precision-engineered to reduce friction and optimize cylinder sealing
• Direct replacement for worn original equipment piston rings
• Manufacturer Part Number: 41768

This Mahle Moly piston ring set is engineered to meet or exceed original equipment requirements, providing a precise seal for select 1993-2010 Cadillac, Chrysler, Dodge, Jeep, and Mitsubishi vehicles equipped with the 4.6L engine. Designed for high-performance and durability, these rings utilize advanced metallurgy to reduce friction and minimize ring mass, which directly contributes to improved engine efficiency and reduced oil consumption.

• Reduced Friction: Molybdenum coating provides a hard, wear-resistant surface that reduces drag and extends service life.
• Advanced Oil Control: Engineered to minimize oil consumption while maintaining a consistent lubricant film on the cylinder walls.
• Direct Fit: Manufactured to specific OE tolerances for 281 9in Y DOHC engine configurations.
• Material Quality: High-grade materials designed to withstand the thermal and mechanical stresses of modern combustion cycles.
• MPN: 41699

Fits select 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra (3.0L).

MAHLE 41683 piston rings are engineered to meet or exceed original equipment requirements, providing a precision seal that is critical for engine efficiency. These chrome-faced rings are designed to reduce friction and ring mass while significantly minimizing engine oil consumption. Built for longevity, this set ensures a reliable service life for high-demand 3.0L powerplants.

• Manufacturer Part Number: 41683
• Material: Chrome-faced for enhanced durability and wear resistance
• Design: Reduced mass and low-friction profile for improved engine response
• Performance: Engineered to stabilize oil consumption and maintain compression

Fits select 1988-2000 Honda Civic, CRX, and Civic del Sol models (1.5L / 1493cc).

Mahle 41618 piston ring sets are engineered to meet or exceed original equipment requirements, providing a precise seal for internal combustion engines. This chrome ring set is designed to reduce friction and minimize ring mass, which directly improves engine efficiency and service life. By controlling engine oil consumption and maintaining consistent compression, these rings are essential for a professional-grade engine rebuild or overhaul.

• Manufacturer Part Number: 41618
• Material: Chrome-faced rings for enhanced durability and wear resistance
• Engine Compatibility: 1.5L (1493cc)
• Designed to minimize oil consumption and mechanical friction
• Constructed to rigorous OE technical standards for fit and finish

Fits select 1984-1998 Nissan, Infiniti, and Mercury models including 300ZX, Maxima, Pathfinder, J30, M30, and Villager (VG30 / VG30E / VG30T / VG30DE / VG30DETT).

The Mahle 41578 Chrome Piston Ring Set is engineered to meet rigorous OE requirements for the 2960cc (3.0L) VG-series V6 engine family. These rings are designed to minimize internal friction and reduce ring mass, which directly contributes to lower engine oil consumption and an extended service life in both naturally aspirated and turbocharged applications.

• Precision-engineered for 2960cc Nissan VG30, VG30E, VG30T, VG30DE, and VG30DETT engines
• Chrome-faced top rings for superior durability and wear resistance in high-stress environments
• Designed to optimize cylinder sealing and maintain consistent compression levels
• Reduces friction to improve overall mechanical efficiency
• Manufacturer Part Number: 41578

Maintain engine compression and optimize oil control with this Mahle MS Series Piston Ring Set. These drop-in rings are engineered for a 92.50mm bore and feature precise thicknesses for the top, second, and oil control rings to ensure a perfect fit in compatible piston grooves. Mahle utilizes advanced metallurgy to provide durable sealing surfaces that resist wear under high thermal loads.

• Bore Diameter: 92.50mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 2.8mm
• Series: MS
• Manufacturer Part Number: 9250MS-12

Designed as a direct-fit solution, these rings reduce blow-by and minimize oil consumption by providing consistent radial tension against the cylinder wall. This set is essential for engine refreshes where maintaining strict tolerances is critical for longevity and performance.

JE Pistons Ring Sets are engineered to maximize horsepower by providing a precision seal against combustion pressure while minimizing frictional drag. This high-performance set is designed for a 3.189-inch bore and features a modern thin-ring configuration to reduce reciprocating mass and improve high-RPM stability.

• Bore Diameter: 3.189 inches
• Top Ring Thickness: 1.0mm
• Second Ring Thickness: 1.0mm
• Oil Ring Thickness: 2.0mm
• Optimized for superior combustion sealing and oil control
• Compatible with street and professional racing applications
• Manufacturer Part Number: XG8100

Each ring is manufactured using high-grade materials to ensure durability under extreme cylinder pressures. These sets provide the same precision tolerances relied upon by professional engine builders in NHRA and NASCAR to maintain consistent compression and power output.

Fits Subaru hybrid engine builds utilizing an EJ257 block with EJ20 cylinder heads.

JE Pistons ring sets are engineered to maximize horsepower by providing precision sealing of combustion pressure. The JG4904-3937 set is designed specifically for high-performance applications, utilizing advanced materials and profiles to reduce internal friction and improve ring seal for better engine efficiency and longevity.

• Top Ring: High-quality ductile iron construction with a plasma-moly inlay for heat resistance.
• Second Ring: Taper-faced reverse torsional design to optimize oil control and secondary sealing.
• Oil Rings: Engineered standard or low-tension oil rings for efficient lubrication management.
• Ring Thickness: 1.2mm Top / 1.2mm Second / 2.5mm Oil.
• Manufacturer Part Number: JG4904-3937.

JE Pistons Pro Seal ring sets are engineered to maximize horsepower through precision sealing of combustion pressure. Designed for high-performance builds, these rings utilize advanced materials and geometries to reduce friction and improve long-term engine durability. This specific ring set is matched to pistons with a 99.75mm bore, 79mm stroke, 30.7mm compression distance, and -17.0 dome profile.

• High-quality ductile iron top ring features a plasma-moly inlay for superior wear resistance under extreme heat.
• Taper-faced reverse torsional second rings provide optimized oil control and secondary pressure sealing.
• Includes standard or low-tension oil rings to minimize parasitic drag while maintaining a consistent oil film.
• Proven technology utilized by top-tier NHRA and NASCAR teams for maximum ring seal.
• Manufacturer Part Number: JG4904-3927

JE Pistons Ring Sets are engineered to maximize engine horsepower through precision sealing of combustion pressure. These high-performance rings are designed to reduce friction while improving ring seal and overall durability, utilizing the same manufacturing standards trusted by professional racing teams.

• Ductile iron top ring construction featuring a plasma-moly inlay for heat resistance and longevity
• Taper faced (TF) reverse torsional second rings for optimized oil control and secondary sealing
• Supplied with standard or low-tension oil rings for reduced parasitic drag
• Precision-ground for consistent performance under high-load conditions
• Designed for 99.5mm bore, 8.5:1 compression, and -16.5cc dish configurations
• Manufacturer Part Number: JG4904-3917

Engineered for precision combustion sealing and reduced friction, this JE Pistons ring set (MPN JG31F8-4070-0) is designed to maximize horsepower and improve engine durability. These rings utilize advanced materials and specific geometries to maintain a reliable seal under high-pressure combustion environments.

This set features a high-strength ductile iron top ring with a plasma-moly inlay for superior heat resistance and wear characteristics. The taper-faced reverse torsional second rings provide optimized oil control and secondary sealing, while the 3.0mm oil rings ensure consistent lubrication management across the cylinder wall.

• Bore Size: 103.37mm
• Top Ring Thickness: 1.2mm (Ductile Iron with Plasma-Moly Inlay)
• Second Ring Thickness: 1.5mm (Taper-Faced Reverse Torsional)
• Oil Ring Thickness: 3.0mm (Standard or Low Tension)
• Manufacturer Part Number: JG31F8-4070-0

JE Pistons Ring Sets are engineered for precision combustion sealing to maximize horsepower and engine efficiency. This performance ring set (MPN JG1004-3405) is designed for a 3.405-inch bore, utilizing a specific 1.0mm top, 1.2mm second, and 2.8mm oil ring configuration to optimize the cylinder seal and reduce parasitic drag.

The set features a high-quality ductile iron top ring with a plasma-moly inlay, providing exceptional durability under high-pressure conditions. The taper-faced reverse torsional second rings enhance oil control and compression retention, while the oil ring assembly is designed for reduced friction and improved longevity.

• Bore Size: 3.405 in
• Ring Thicknesses: 1.0mm x 1.2mm x 2.8mm
• Top Ring: Ductile iron with plasma-moly inlay for heat resistance and durability
• Second Ring: Taper faced reverse torsional design for superior oil control
• Oil Ring: Engineered for low-tension performance to maximize power output
• Manufacturer Part Number: JG1004-3405

JE Pistons Pro Seal ring sets are engineered to maximize horsepower through precision sealing of combustion pressure. Designed for high-performance applications, these rings utilize the same advanced materials and tolerances trusted by professional racing teams in NHRA Pro Stock and NASCAR to provide superior durability and reduced friction.

This set features a high-strength ductile iron top ring with a plasma-moly inlay for heat resistance and rapid seating. It is paired with a taper-faced reverse torsional second ring to optimize oil scraping and secondary sealing, alongside a high-efficiency oil ring assembly for consistent lubrication management.

• Top Ring: Ductile iron construction with a plasma-moly inlay for high-heat durability.
• Second Ring: Taper-faced reverse torsional design for improved oil control.
• Oil Ring: Performance oil ring assembly in standard or low tension.
• Bore Size: 3.386 inches
• Ring Thickness: 1.0mm (Top), 1.2mm (Second), 2.8mm (Oil)
• Manufacturer Part Number: JG1004-3386

Engineered for precision combustion sealing and maximum horsepower, this JE Pistons Ring Set (JG1004-3268) delivers the same high-performance technology utilized by professional NHRA Pro Stock and NASCAR teams. Designed to minimize friction while maximizing ring seal, these components are essential for maintaining cylinder pressure and engine efficiency.

This set features a high-quality ductile iron top ring with a plasma-moly inlay for superior wear resistance and heat management. The taper-faced reverse torsional second rings provide optimized oil control, paired with standard or low-tension oil rings to suit your specific oiling system requirements.

• Bore Size: 3.268 in
• Top Ring Thickness: 1.0 mm
• Second Ring Thickness: 1.2 mm
• Oil Ring Thickness: 2.8 mm
• Top Ring Material: Ductile iron with plasma-moly inlay
• Second Ring Design: Taper-faced reverse torsional
• Includes: Complete set for one piston
• Manufacturer Part Number: JG1004-3268

Engineered for precision combustion sealing and maximum power output, the JE Pistons Ring Set (JG1004-3250) utilizes the same high-performance technology trusted by NHRA Pro Stock and NASCAR teams. This set is designed to withstand extreme cylinder pressures while reducing internal friction for improved engine durability and efficiency.

This kit features a high-strength ductile iron top ring with a plasma-moly inlay, providing excellent wear resistance and thermal stability. The taper-faced reverse torsional second rings ensure superior oil control and secondary sealing. Whether you are rebuilding a race-spec engine or a high-performance street build, these rings offer the tolerances required for professional-grade results.

• Bore Size: 3.250 in
• Top Ring Thickness: 1.0 mm
• Second Ring Thickness: 1.2 mm
• Oil Ring Thickness: 2.8 mm
• Top Ring Material: Ductile iron with plasma-moly inlay
• Second Ring Type: Taper faced reverse torsional
• Oil Ring Tension: Standard or low tension options
• Manufacturer Part Number: JG1004-3250

JE Pistons JG1004-3209 ring sets are engineered to maximize horsepower by providing precision combustion pressure sealing. Utilizing the same advanced materials and tolerances trusted by NHRA Pro Stock and NASCAR teams, these rings are designed to reduce friction while significantly improving durability and ring seal in high-performance engines.

• Top Ring: High-quality ductile iron construction with a plasma-moly inlay for superior heat resistance and wear characteristics.
• Second Ring: Taper-faced reverse torsional design for optimized oil control and secondary compression sealing.
• Oil Rings: Engineered to provide consistent tension for efficient oil scavenging.
• Bore Diameter: 3.209 in
• Ring Thicknesses: 1.0mm Top, 1.2mm Second, 2.8mm Oil
• Manufacturer Part Number: JG1004-3209

Precision-lapped and ground to exacting standards, this JE Piston ring set is a critical component for engine builders requiring professional-grade sealing and thermal stability.

JE Pistons high-performance ring sets are engineered to maximize horsepower through precision sealing of combustion pressure. This set (JG1004-3189) is designed for 81.00mm bore applications, utilizing advanced materials and profiles to reduce friction and improve durability in high-stress performance environments.

• Bore Size: 81.00mm
• Ring Thicknesses: 1.0mm Top / 1.2mm Second / 2.8mm Oil
• Top Ring: High-quality ductile iron construction with a plasma-moly inlay for heat resistance
• Second Ring: Taper-faced reverse torsional profile for optimized oil scraping
• Oil Ring: Engineered for superior oil control with standard or low-tension options
• Designed to reduce cylinder wall friction while maintaining a superior ring seal
• Manufacturer Part Number: JG1004-3189

Engineered for high-performance applications, the JE Pistons Piston Ring Set (MPN: JG1001-3425) is designed to maximize horsepower through precision sealing of combustion pressure. This set is specifically configured for engines with a 3.425-inch bore, utilizing a 1.0mm, 1.2mm, and 2.8mm thickness profile to reduce friction without compromising durability.

Constructed from high-grade materials, the kit includes a ductile iron top ring with a plasma-moly inlay for superior wear resistance and quick seating. The second ring features a taper-faced reverse torsional design for secondary compression sealing and oil control. The 3-piece oil assembly is supported by a flex-vent spacer to ensure proper drainage and consistent lubrication across the cylinder wall.

• Bore Size: 3.425 in
• Ring Thicknesses: 1.0mm (Top), 1.2mm (Second), 2.8mm (Oil)
• Top Ring Material: Ductile iron with plasma-moly inlay
• Second Ring Type: Taper faced reverse torsional
• Oil Assembly: 3-piece with flex-vent spacer
• Manufacturer Part Number: JG1001-3425

JE Pistons high-performance ring sets are engineered to maximize engine horsepower through precision sealing of combustion pressure. This set (MPN: JG1001-3405) is built using the same manufacturing technologies favored by professional NHRA and NASCAR teams to deliver gains in durability and power via reduced friction and improved ring seal.

• Bore Diameter: 3.405"
• Ring Thicknesses: 1.0mm Top, 1.2mm Second, 2.8mm Oil
• Top Ring: High-quality ductile iron construction with a plasma-moly inlay for superior heat resistance.
• Second Ring: Taper-faced reverse torsional design for optimized oil control and scraping.
• Oil Assembly: 3-piece assembly featuring a Flex-vent spacer for efficient lubrication and drainage.

Whether used in a performance street build or a dedicated racing application, these rings provide the critical sealing and material tolerances required for high-stress combustion environments.

JE Pistons JG1001-3386 Piston Ring Sets are engineered to maximize engine horsepower through precision sealing of combustion pressure. This high-performance set is designed for applications with a 3.386-inch bore and utilizes specific thicknesses to minimize friction while maintaining a reliable oil film.

• Top Ring: High-quality ductile iron construction featuring a plasma-moly inlay for superior durability and heat resistance.
• Second Ring: Taper-faced reverse torsional design that assists in oil control and compression sealing.
• Oil Control: 3-piece oil assembly with a flex-vent spacer for efficient lubrication management.
• Ring Thicknesses: 1.0mm Top, 1.2mm Second, and 2.8mm Oil Ring.
• Bore Size: 3.386 inches.
• MPN: JG1001-3386

By using the same materials and tolerances trusted by NHRA Pro Stock and NASCAR teams, these rings offer public access to race-proven durability, reduced friction, and improved ring-to-wall sealing.

Engineered to maximize horsepower through precision combustion sealing, this JE Pistons ring set is designed for high-performance engines requiring a 3.307 in bore. This specific configuration features a 1.0mm top ring, 1.2mm second ring, and a 2.8mm oil ring assembly, balancing durability with reduced friction for improved efficiency.

• Top Ring: High-quality ductile iron construction with a plasma-moly inlay for superior heat resistance and sealing.
• Second Ring: Taper-faced reverse torsional design to optimize oil control and minimize blow-by.
• Oil Assembly: 3-piece oil ring design featuring a flex-vent spacer for consistent cylinder wall lubrication.
• Specifications: 3.307 in Bore; 1.0mm x 1.2mm x 2.8mm thicknesses.
• Manufacturer Part Number: JG1001-3307

JE Pistons Ring Sets are engineered to maximize horsepower through precision sealing of combustion pressure. Designed with the same technical rigors required by professional NHRA Pro Stock and NASCAR teams, these rings deliver significant gains in durability and power by reducing friction and ensuring a superior ring seal against the cylinder wall.

This performance ring set utilizes advanced materials and specialized profiles to maintain compression under high-load conditions while providing consistent oil control.

• Bore Diameter: 3.268"
• Top Ring: 1.0mm Ductile iron with plasma-moly inlay for high-heat durability
• Second Ring: 1.2mm Taper faced reverse torsional profile
• Oil Ring: 2.8mm 3-piece assembly
• Included Hardware: Flex-vent spacer for improved oil drainage
• Manufacturer Part Number: JG1001-3268

JE Pistons high-performance ring sets are engineered to maximize horsepower through precision combustion pressure sealing. This professional-grade set is built to withstand the rigors of high-output engines, utilizing the same material technology and manufacturing tolerances proven in top-tier NHRA and NASCAR applications.

• Top Ring: High-quality ductile iron construction with a plasma-moly inlay for superior durability and rapid seating.
• Second Ring: Taper-faced reverse torsional design to provide effective oil control and secondary pressure sealing.
• Oil Assembly: 3-piece assembly featuring a flex-vent spacer for consistent tension and efficient oil evacuation from the cylinder wall.

Technical Specifications:
Bore Size: 3.250in
Top Ring Thickness: 1.0mm
Second Ring Thickness: 1.2mm
Oil Ring Thickness: 2.8mm
Manufacturer Part Number: JG1001-3250

Maintain peak combustion seal and oil control with this genuine CP-Carrillo replacement piston ring. Specifically engineered for use with CP SC7338 and SC7381 forged pistons, this ring (RS165A-3780-0) is designed to meet the rigorous demands of high-performance and high-output engine builds.

Manufactured to exacting tolerances, these rings ensure a precise fit within the cylinder bore, helping to prevent blow-by and maintain consistent compression in high-heat environments. Whether performing a routine engine refresh or a complete build, using the correct ring specified for your piston part number is critical for drivetrain longevity and power efficiency.

• Direct replacement ring for CP-Carrillo SC7338 and SC7381 pistons
• Designed for high-performance and custom-built engines
• Ensures optimal ring-to-wall contact and heat dissipation
• Manufactured by CP-Carrillo to strict quality standards
• Manufacturer Part Number: RS165A-3780-0

Maintain peak engine performance and combustion seal with this CP-Carrillo replacement piston ring set. Specifically engineered for use with CP SC7421 forged pistons, these rings are manufactured to the strict tolerances required for high-output and custom engine builds where cylinder pressure and heat management are critical.

• Designed exclusively for compatibility with CP-Carrillo SC7421 piston profiles.
• Engineered to provide superior oil control and compression sealing in high-performance applications.
• Precision-machined from high-strength materials for durability under extreme engine loads.
• Ideal for engine refreshes or rebuilds using existing SC7421 forged pistons.
• Manufacturer Part Number: RS1658-3937-0

Maintain optimal cylinder sealing and compression with this CP-Carrillo replacement piston ring set. Specifically engineered for high-performance forged CP pistons, these rings are designed to withstand the increased thermal and mechanical loads of high-output and custom-built engines.

This ring set ensures precise fitment and superior ring land seating, making it a critical component for engine builders requiring reliable oil control and combustion sealing in performance applications.

• Manufacturer Part Number: RS1658-3927-0
• Fits CP Piston Part Numbers: SC7416, SC7422, SC7426, SC7434, SC7438, and SC7442
• High-grade materials for durability in high-horsepower builds
• Precision-engineered for maximum combustion pressure retention

Maintain peak engine compression and superior oil control with this CP-Carrillo replacement piston ring set, engineered specifically for use with SC7420 forged pistons. Designed for high-output and custom engine builds, these rings are manufactured to the exacting tolerances required for high-RPM and high-pressure environments.

Using the correct ring set is critical for ensuring a proper cylinder seal and preventing blow-by during engine operation. These rings are constructed from high-grade materials to provide the thermal stability and wear resistance necessary for racing and performance street applications. This set is intended for maintenance, refreshes, or new builds where SC7420 pistons are utilized.

• Manufacturer Part Number: RS1658-3917-0
• Compatibility: Specifically for CP-Carrillo SC7420 pistons
• Application: High-performance engine rebuilds and maintenance
• Precision-engineered ring tension for optimal sealing and reduced friction

Maintain peak engine performance and compression with this genuine CP-Carrillo replacement piston ring. Specifically engineered for a precise fit on select CP performance pistons, this ring (MPN RS1610-3406-0) is essential for ensuring a proper cylinder seal and efficient oil control in high-stress racing or street applications.

Constructed to the exact tolerances required for high-performance rotating assemblies, this replacement ring provides the reliable thermal transfer and blow-by resistance needed for engine longevity. It is intended as a direct replacement part for specific CP-Carrillo piston sets when rings require service or replacement during an engine refresh.

• Manufacturer Part Number: RS1610-3406-0
• Engineered for high-performance cylinder sealing and oil control
• Direct replacement for CP Piston Part Numbers: SC7310, SC7327, SC7325, SC7320, SC7460, SC7450, SC7452
• Manufactured to strict tolerances for consistent tension and fit

This CP Pistons Turbo Ring Set is engineered specifically for use with SC7700 series piston kits, featuring a 3.307-inch bore configuration. Designed to withstand the intense thermal and mechanical stresses of high-boost applications, this set provides the precise sealing and oil control required for high-performance engine builds.

The set utilizes a PVD (Physical Vapor Deposition) coating on the top ring to significantly reduce friction and enhance wear resistance under extreme combustion pressures. Each ring is precision-machined to strict tolerances to ensure consistent tension and a reliable seal throughout the service life of the engine.

• Manufacturer Part Number: CPT-3307PVD
• Compatible Pistons: CP Carrillo SC7700 series
• Bore Size: 3.307 in
• Top Ring: 1.2mm thickness
• Second Ring: 1.2mm thickness
• Oil Ring: 2.0mm thickness
• Finish: PVD Coated for reduced friction and high durability

Fits BMW and Toyota vehicles equipped with B48 and B58 engines. These CP Turbo Rings are engineered to handle the increased cylinder pressures and thermal loads found in high-performance turbocharged applications. Specifically designed for a 3.2283in bore and optimized for an 11.0:1 compression ratio, these rings ensure a superior seal for consistent power delivery and oil control.

• Engineered for BMW and Toyota B48 and B58 engine platforms
• Designed specifically for turbo/forced induction engine builds
• Precision-engineered for 3.2283in (82mm) bore diameter
• Optimized for 11.0:1 static compression ratio
• Durable construction to withstand high boost and extreme temperatures
• Manufacturer Part Number: CPT-3228PVD