This JE Pistons forged piston set is engineered specifically for the Audi S4 2.7L Twin Turbo engine, providing the structural integrity required for high-boost and competitive racing applications. Each piston is machined in the USA from high-tensile 2618 aluminum alloy, designed to withstand the extreme thermal and mechanical loads of high-performance forced induction builds.

Utilizing the proprietary Forged Side Relief (FSR) design, these pistons feature a reduced skirt width to minimize friction and a shorter wrist pin to shed reciprocating weight without compromising crown strength. Integrated accumulator grooves manage combustion gas pressure to prevent ring flutter, ensuring a consistent seal and stable power delivery under heavy load.

• Fits Audi S4 (2.7L TT) engine applications.
• Forged from 2618 aluminum for superior tensile strength in high-demand environments.
• Proprietary FSR forging reduces friction and power loss.
• Accumulator grooves help maintain ring seal by reducing pressure from combustion gases.
• Skirt coating provides a protective barrier to reduce friction and cylinder wall wear.
• Complete kit includes JE Pro Seal premium piston rings, high-quality wrist pins, and wire locks.
• 100% engineered, forged, and machined in the USA.
• Manufacturer Part Number: 314325

Fits select 2002-2005 Subaru Impreza WRX models (EJ205).

Engineered for high-demand performance, this JE Pistons forged piston set is machined from 2618 T6 aluminum alloy to provide the high tensile strength required for forced induction and racing applications. Featuring the proprietary Forged Side Relief (FSR) design, these pistons utilize a reduced skirt width and a shorter wrist pin to minimize friction and reciprocating weight without sacrificing structural integrity.

• FSR Forging: Minimizes friction and power loss with reduced skirt width and weight-saving shorter wrist pins.
• Accumulator Groove: Helps manage pressure from combustion gases to reduce ring fluttering and improve ring seal for consistent power.
• Premium Material: Forged in the USA from 2618 aluminum for maximum durability in high-horsepower environments.
• Complete Kit: Includes four pistons, high-quality wrist pins, locks, and a JE Pro Seal premium piston ring set.
• Specifications: 92.50mm bore, 1.287in compression height, and -11.70cc dish volume.

Part Number: 314438

Fits Toyota 2JZ-GTE engines.

Engineered for high-demand racing and street applications, this JE Pistons FSR Series kit is forged from 2618 aluminum alloy to provide the high tensile strength required for forced induction and high-horsepower builds. These 9.5:1 compression pistons utilize a Forged Side Relief (FSR) design, which reduces skirt width and wrist pin length to minimize friction and reciprocating weight without sacrificing structural integrity.

Each piston is machined with an accumulator groove to manage combustion gas pressure, reducing ring flutter and maintaining a consistent seal. This comprehensive kit comes ready for installation with high-quality wrist pins, locks, and a set of JE Pro Seal premium piston rings. Proudly forged and machined 100% in the USA.

• Forged from 2618 aluminum alloy for maximum durability
• Proprietary Forged Side Relief (FSR) design minimizes power loss
• Accumulator groove improves ring seal and prevents fluttering
• Treated skirt coating reduces friction and cylinder wall wear
• Includes JE Pro Seal premium rings, wrist pins, and locks
• Manufacturer Part Number: 314303

Designed specifically for the Gen 3 Hemi 6.2L Hellcat engine, this JE Pistons forged piston set (MPN 367215) is engineered to withstand the extreme pressures of high-performance racing and forced induction applications. Every piston is machined in the USA from 2618 aluminum alloy, offering the high tensile strength required for durability at the limit.

These pistons utilize JE's proprietary Forged Side Relief (FSR) design, which reduces friction and power loss by narrowing the skirt width. This design also allows for a shorter, lighter wrist pin, further reducing reciprocating mass for improved engine response. For consistent performance, the integrated accumulator grooves help manage combustion gases to prevent ring flutter and maintain a superior ring seal.

• Engine Compatibility: Gen 3 Hemi 6.2L Hellcat
• Bore Diameter: 4.100in
• Wrist Pin Diameter: 0.927in
• Compression Distance: 1.280in
• Piston Head Style: Inverted Dome/Dish
• Material: 2618 Forged Aluminum
• Configuration: Set of 8 pistons
• Manufacturer Part Number: 367215

Fits select 2002-2008 Subaru Impreza (WRX, STI, RS, 2.5i, Outback) applications utilizing an EJ257 block with EJ20 cylinder heads.

JE Pistons engineered this forged piston set specifically for Subaru hybrid engine builds, combining the EJ257 short block with EJ20 heads. These 100mm bore pistons are machined from high-tensile 2618 aluminum alloy to withstand the extreme cylinder pressures of forced induction and high-performance racing. Featuring the proprietary Forged Side Relief (FSR) design, these pistons minimize friction and rotating mass without compromising structural integrity.

• Bore Diameter: 100mm
• Compression Ratio: 8.5:1 (calculated for EJ257 block/EJ20 head combination)
• Forged Side Relief (FSR) design reduces skirt width and weight while improving strength
• Accumulator groove helps manage combustion gas pressure to minimize ring flutter
• Engineered and machined 100% in the USA from 2618-T6 forged aluminum
• Skirt coating reduces friction, wear, and cold-start operating noise
• Includes JE Pro Seal premium piston rings, heavy-duty wrist pins, and wire locks
• Manufacturer Part Number: 291060

Fits 2013+ Hyundai Gamma GDI (1.6L) Turbo engines.

Engineered for high-output racing and performance street builds, this JE Pistons forged piston kit provides the structural integrity and weight savings required for forced induction applications. These pistons are forged and machined in the USA from 2618 aluminum alloy, delivering the high tensile strength necessary for high-demand environments. The proprietary Forged Side Relief (FSR) design minimizes friction and power loss by reducing skirt width while saving weight with a shorter wrist pin configuration.

• Bore Size: 77.5mm
• Dish Volume: -8.7cc
• Material: 2618 T6 Forged Aluminum
• FSR (Forged Side Relief) forging design for reduced friction and weight
• Accumulator groove helps manage combustion gas pressure and improve ring seal
• Skirt coating (application dependent) reduces wear and operating noise
• Includes JE Pro Seal premium piston rings, high-quality wrist pins, and locks
• Manufacturer Part Number: 361286

Engineered for high-performance Honda K20C engines, this set of four JE Pistons Ultra Series forged pistons (MPN 361278) is designed to withstand the extreme cylinder pressures of high-boost racing applications. These pistons utilize proprietary Aligned Grain Flow technology to maximize tensile strength and durability, ensuring they handle the stresses of power-adder builds better than standard forgings.

Each piston features a ceramic-based thermal barrier crown coating to reflect heat back into the combustion chamber, improving exhaust gas scavenging and reducing piston temperatures. To minimize friction and cylinder wall wear, the skirts are treated with a specialized coating that also reduces operating noise during cold starts. Lateral gas ports are included to maintain a precise ring seal even under high RPM and peak boost conditions.

• Bore Size: 86mm
• Compression Ratio: 10.0:1
• Forging: Aligned Grain Flow technology for maximum tensile strength
• Thermal Barrier: Ceramic crown coating reflects heat and protects the piston
• Skirt Coating: Friction-reducing treatment for longevity and wear resistance
• Gas Ports: Lateral ports for optimized ring sealing
• Wrist Pins: Includes premium thick-wall Trend Performance wrist pins
• Origin: 100% Made in the USA

Designed for the Volkswagen 2.0 TSI Turbo engine (2008+), this JE Pistons forged piston kit provides the thermal stability and structural integrity required for high-boost applications. Machined from high-tensile 2618 aluminum alloy, these pistons utilize the proprietary Forged Side Relief (FSR) design to reduce friction and reciprocating weight without compromising the strength of the piston crown or ring lands.

• Precision Engineering: 82.5mm standard bore size with a -7.1cc dome volume.
• FSR Forging: Optimized skirt width reduces surface contact to minimize power loss while improving wrist pin support.
• Enhanced Sealing: Includes an accumulator groove to manage combustion gas pressure, reducing ring flutter and maintaining a consistent seal.
• Advanced Coating: Skirt coating reduces wear on both the piston and the cylinder walls during high-temperature operation and cold starts.
• Complete Assembly: Each kit includes high-quality wrist pins, wire locks, and a JE Pro Seal premium piston ring set.
• Technical Spec: Manufactured in the USA; MPN 329244.

Fits 2012+ Subaru FA20E and FA20F engines.

Engineered for high-demand Subaru performance builds, this JE Pistons forged piston set is machined from 2618 aluminum alloy to provide the high tensile strength required for forced induction and racing applications. The proprietary Forged Side Relief (FSR) design utilizes a reduced skirt width and shorter wrist pins to minimize friction and reciprocating weight without compromising structural integrity.

These pistons include an integrated accumulator groove to manage combustion gas pressure, effectively reducing ring flutter and improving the ring seal for more consistent power delivery. The skirts are treated with a specialized coating to reduce friction and wear on both the piston and cylinder walls while dampening operating noise. Each set comes complete with premium JE Pro Seal rings, high-quality wrist pins, and locks for a comprehensive internal upgrade.

• Bore: 86.25mm (+0.25mm Oversize)
• Stroke: 86mm
• Compression Ratio: 10.6:1
• Dish Volume: -10.0cc
• Material: 2618 Forged Aluminum
• Series: Forged Side Relief (FSR)
• Included: JE Pro Seal Piston Rings, wrist pins, and locks
• Manufacturer Part Number: 359189
• Origin: 100% Made in the USA

Fits select 2001-2008 BMW M3, Z3 M, and Z4 M models equipped with the S54B32 3.2L inline-six engine.

Built for the rigors of high-performance driving and racing, this JE Pistons forged piston kit (MPN 297117) provides an 11.5:1 compression ratio for the BMW S54 engine. Each piston is engineered from 2618 aluminum, a high-tensile alloy capable of withstanding the extreme cylinder pressures and heat found in track and high-output street applications. The proprietary Forged Side Relief (FSR) design reduces skirt width to minimize friction and weight, while the shorter wrist pins decrease reciprocating mass for improved throttle response and reliability.

• Forged in the USA from 2618 aluminum for maximum durability in high-demand engines.
• Proprietary FSR forging design minimizes friction and power loss.
• Accumulator grooves reduce pressure from combustion gases to improve ring seal.
• Skirt coating reduces friction and wear on piston skirts and cylinder walls.
• Includes JE Pro Seal premium piston rings, high-quality wrist pins, and locks.
• 100% engineered, forged, and machined in the USA for precision tolerances.

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

JE Pistons Tru-Arc locks offer an efficient and reusable solution for retaining piston pins in stock and low-to-moderate horsepower applications. Engineered from durable carbon steel, these locks provide a balance between ease of installation and secure retention, specifically designed to function with stock sharp-edge wrist pins that do not have the chamfers required for traditional wire locks.

Unlike spiro locks, which are typically deformed during removal and require replacement, Tru-Arc locks are designed for reusability and simplify the assembly process. They serve as a specialized alternative for builders seeking a reliable pin retention method without the complexity of installing double spiro or wire locks in specific piston pin boss configurations.

• Manufactured from high-grade carbon steel for consistent tension
• Designed for compatibility with stock sharp-edge wrist pins
• Reusable design provides added value during engine teardowns
• Simpler installation and removal compared to standard spiro locks
• Ideal for low-to-moderate power builds; not for high-horsepower applications
• Manufacturer Part Number: 905-042-CT

Designed for extreme cylinder pressures and high-load environments, this JE Pistons Trend Performance wrist pin is an essential upgrade for engines running forced induction, nitrous, or high RPM levels. Manufactured in the USA from premium H-13 tool steel, these pins provide the structural integrity required to prevent pin flexing and failure under intense stress.

• High-Strength Material: Forged from H-13 tool steel to withstand significant mechanical loads.
• Precision Finish: Features a proprietary super-finishing and lapping process for industry-leading surface geometry and reduced friction.
• Extended Lifecycle: Engineered to provide improved durability in high-load racing and performance environments.
• Specifications: .866" Diameter | 2.250" Length | .230" Wall Thickness.
• Manufacturer Part Number: 866-2250-23-93C

This upgraded pin replaces standard wrist pins to offer superior protection against deformation in high-performance builds including forced induction and nitrous applications.

JE Pistons Wire Locks provide a high-strength solution for wrist pin retention in performance engines. Engineered to distribute side loads across a larger portion of the piston pin boss compared to standard spiro locks, these wire locks offer superior stability under high-stress conditions. They are specifically designed for use with chamfered wrist pins, ensuring a secure fit within the piston groove.

Constructed from premium Chrome Silicon, these locks provide the necessary tension and fatigue resistance required for racing and high-output applications. Their design minimizes the risk of rotation and ensures the wrist pin remains properly located during the entire combustion cycle.

• Manufacturer Part Number: 866-063-MW
• Material: Chrome Silicon
• Lock Type: Wire Lock
• Compatibility: Requires chamfered wrist pins
• Application: High-strength wrist pin retention for performance pistons