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

Wiseco Professional Series forged pistons are engineered for high-performance LS builds where rotating assembly strength is critical. Forged from 2618 aluminum alloy, these pistons provide the increased tensile strength required for heavy-duty racing and forced induction applications. The skirts feature Wiseco’s proprietary ArmorGlide coating to reduce friction, minimize scuffing, and ensure quieter operation. Every set includes precision-machined ring grooves and forced pin oiling to ensure constant lubrication and superior ring seal under extreme cylinder pressures.

• Forged from high-strength 2618 aluminum for severe-duty applications
• ArmorGlide skirt coating reduces friction and improves wear resistance
• Precision-machined crown features with forced pin oiling
• Includes high-quality piston rings for optimal seal
• Bore Size: 4.005in
• Compression Height: 1.304in
• Piston Volume: -3.20cc
• Manufacturer Part Number: K398X05

The Wiseco RCS40000 Ring Compressor Sleeve provides a precision solution for installing high-performance pistons and rings without damage. Forged in-house in the USA, this tool features a smooth internal radius that tapers down to a specific 4.000-inch bore size, allowing for the smooth and even compression of the ring pack during assembly.

• Forged construction for superior durability and precision tolerances.
• Hard-anodized and Teflon coated for low friction and long-term wear resistance.
• Tapered design simplifies the installation of high-tension oil rings.
• Laser-marked with size indication for easy identification in the shop.
• Designed for 4.000in bore applications.
• Manufacturer Part Number: RCS40000

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

Wiseco Professional Series forged racing pistons are engineered for high-output environments where standard components reach their limit. Machined from 2618 aluminum alloy, these pistons provide the superior tensile strength and fatigue resistance required for severe duty racing and high-boost applications. Each piston features a fully machined crown and specialized ring grooves to ensure a precision seal under extreme combustion pressures.

• ArmorGlide Skirt Coating: A proprietary dry-film lubricant that reduces friction, minimizes piston rock for quieter operation, and provides high-level seizure resistance.
• Advanced Oil Control: Includes forced pin oiling to ensure the wrist pins remain lubricated under high-load conditions, preventing galling and premature wear.
• Engineered Durability: Features an anti-detonation groove to protect the top ring land and precision-machined ring grooves for improved seal integrity.
• Complete Set: Provided with premium rings and wrist pins specifically matched for the Professional Series line.

Specifications:

• Manufacturer Part Number: K398X7
• Bore Size: 4.070in
• Compression Height: 1.304in
• Volume: -3.20cc
• Material: 2618 Forged Aluminum

Fits the 1985-1986 Honda ATC350X Base.

Wiseco 4-stroke piston ring sets are engineered to exact specifications to ensure maximum compression sealing and precise oil control. Designed as a critical component of the combustion cycle, these rings are developed and tested to maintain performance under race conditions. This specific set is built to provide a reliable seal for Wiseco 4-stroke pistons, helping to prevent blow-by and maintain consistent power output.

• Bore Size: 81.00mm
• Ring Thickness: 1.0mm Top, 1.0mm Second, 2.0mm Oil
• Cylinder Count: 1 Cylinder Set
• Application: 4-Stroke Engines
• Manufacturer Part Number: 3189XG

The Wiseco RCS08250 Piston Ring Compressor Sleeve is a precision-engineered tool designed for professional engine builders who require exact tolerances during assembly. Forged in-house in the USA, this sleeve provides a seamless solution for installing pistons into an 82.5mm bore without risking damage to delicate high-performance ring sets.

• Bore Size: 82.5mm
• Material: Forged construction with a hard-anodized finish and Teflon coating for low friction and superior wear resistance.
• Tapered Design: Features a smooth radius that tapers down to the specific bore size to compress rings evenly and smoothly.
• Ring Protection: Specifically engineered to reduce the difficulty of installing high-performance oil rings.
• Laser-Marked: Permanently etched with size indication for quick identification in the toolbox.
• Manufacturer Part Number: RCS08250

Streamline your engine assembly with the Wiseco RCS07500 Piston Ring Compressor Sleeve. Specifically engineered for a 75.0mm bore, this precision tool eliminates the struggle of installing high-performance oil rings. Unlike generic pliers-style tools, this sleeve features a smooth internal radius that tapers down to the exact bore size, ensuring rings are compressed evenly and safely as the piston slides into the cylinder.

Constructed for professional durability, the sleeve is hard-anodized and Teflon coated. This combination creates a high-wear, low-friction surface that prevents ring snagging and protects the piston skirt during installation. Each sleeve is laser-marked with its size for easy identification in a busy shop environment.

• Precision machined for 75.0mm bore diameter
• Hard-anodized and Teflon coated for maximum wear resistance and low friction
• Tapered bore design for smooth, even ring compression
• Reduces risk of ring breakage or damage during installation
• Laser-marked for quick size identification
• Manufacturer Part Number: RCS07500

Ensure a precise and damage-free engine rebuild with the Wiseco RCS08600 Piston Ring Compressor Sleeve. Specifically engineered for an 86.0mm bore, this fixed-diameter sleeve provides a superior alternative to adjustable band-style compressors, eliminating the risk of ring breakage or misalignment during installation.

Each sleeve is hard-anodized and Teflon-coated to minimize friction and provide long-term resistance to wear. The internal geometry features a smooth, machined radius that tapers down to the exact bore size, allowing the piston and ring assembly to slide into the cylinder with even, consistent compression. This design is particularly effective for installing high-performance oil rings that require precise handling.

• Bore Size: 86.0mm
• Material: Machined construction with hard-anodized finish
• Coating: Teflon-coated for low-friction operation
• Design: Tapered internal radius for smooth ring compression
• Identification: Laser-marked with size for easy tool management
• Manufacturer Part Number: RCS08600

Streamline your engine assembly and protect your investment with the Wiseco Piston Ring Compressor Sleeve (RCS08900). Specifically engineered for an 89.0mm bore, this fixed-diameter tool provides a more secure and precise installation than universal adjustable compressors. The sleeve features a smooth internal radius that tapers down to the exact bore size, compressing the piston rings evenly and smoothly to eliminate the risk of ring breakage or snagging during installation.

Constructed for professional use, this sleeve is hard-anodized and Teflon-coated to minimize friction and ensure long-term wear resistance. It is an essential tool for high-performance builds where thin oil rings and high-tension compression rings require exact alignment to prevent damage to the cylinder wall or the piston itself.

• Bore Size: 89.0mm
• Construction: Hard-anodized aluminum with Teflon coating for low friction
• Design: Smooth tapered radius for uniform ring compression
• Identification: Laser-marked with size for easy identification in the toolbox
• Manufacturer Part Number: RCS08900

Ensure a precise, damage-free piston installation with the Wiseco 84.5mm Hard Anodized Piston Ring Compressor Sleeve. Designed for professional engine builders, this fixed-bore tool eliminates the risk of ring breakage often associated with adjustable pliers-style compressors by providing a smooth, perfectly centered transition into the cylinder.

Each sleeve is machined with a specific radius that tapers down to the 84.5mm bore size, compressing the rings evenly as the piston slides through. This design is especially beneficial when installing delicate, high-performance oil rings. The hard-anodized construction and Teflon coating provide a low-friction surface and excellent wear resistance for long-term shop use.

• Bore Size: 84.5mm
• Finish: Hard-anodized and Teflon coated for minimal friction
• Tapered internal radius for smooth ring compression
• Laser-marked with size indication for easy identification
• Reduces the risk of ring deformation or breakage during assembly
• Manufacturer Part Number: RCS08450

Fits 2008-2014 Mitsubishi Lancer Evolution X GSR, MR, and MR Touring (4B11-T).

Wiseco Professional Series forged racing pistons are engineered for high-output 4B11-T builds where maximum tensile strength and reliability are critical. Machined from 2618 aluminum alloy, these pistons are designed to withstand the thermal and mechanical stresses of heavy to severe duty race applications. Each piston features Wiseco’s ArmorGlide skirt coating to reduce friction and noise while providing superior seizure resistance during high-load operation.

• Forged and precision-machined in the USA from 2618 aluminum alloy
• ArmorGlide skirt coating for reduced friction and improved wear resistance
• Precision-machined ring grooves with anti-detonation features for improved sealing
• Forced pin oiling for enhanced wrist pin lubrication and longevity
• Fully machined crown features for optimized combustion
• Manufacturer Part Number: K636M865
• Piston Volume: -4.5cc

The Wiseco RCS08200 Piston Ring Compressor Sleeve is a precision engine-building tool engineered to simplify the installation of 82.0mm pistons. Unlike universal adjustable compressors, this fixed-bore sleeve utilizes a smooth internal radius that tapers down to the exact bore size, ensuring piston rings are compressed evenly and safely as the piston enters the cylinder.

Built for the rigors of professional engine assembly, the sleeve is hard-anodized and Teflon-coated. This combination provides a low-friction surface that allows the piston to slide through without resistance while offering long-term wear protection. This design is specifically effective at reducing the difficulty of installing delicate high-performance oil rings without damage.

• Precision tapered design for 82.0mm bore applications
• Hard-anodized aluminum construction for durability
• Teflon-coated finish for low friction and ring protection
• Laser-marked with bore size for quick identification
• Essential for preventing ring breakage during assembly
• Manufacturer Part Number: RCS08200

The Wiseco 68.0mm Ring Compressor Sleeve (MPN: RCS06800) is a precision engine-building tool designed to ensure seamless piston installation. Unlike universal adjustable compressors, this fixed-bore sleeve features a smooth internal radius that tapers down to the exact 68.0mm bore size, allowing the piston and ring assembly to glide into the cylinder without snagging or damage.

• Hard-anodized and Teflon-coated construction for low friction and long-term wear resistance
• Precision tapered design compresses rings smoothly and evenly into the lands
• Simplifies the installation of delicate high-performance oil ring sets
• Laser-marked sizing for clear identification during assembly
• Engineered for professional-grade engine rebuilding and repeated shop use

The Wiseco RCS09250 Piston Ring Compressor Sleeve is a precision engine-building tool designed to streamline the installation of pistons into 92.5mm bores. This fixed-size sleeve eliminates the struggle of adjustable band-style compressors by providing a perfectly tapered lead-in that compresses rings evenly and safely as the piston is pushed through.

Constructed for professional use, the sleeve is hard-anodized for durability and features a specialized Teflon coating to minimize friction. This combination ensures that high-performance oil rings and compression rings seat correctly without the risk of snagging or breakage. The smooth radius taper guides the piston assembly into the cylinder block with minimal force, protecting both the rings and the piston lands during assembly.

• Bore Size: 92.5mm
• Material: Hard-anodized aluminum for prolonged wear resistance
• Coating: Low-friction Teflon coating for smooth piston movement
• Design: Smooth radius taper facilitates even ring compression
• Identification: Laser-marked with size for quick shop reference
• Manufacturer Part Number: RCS09250

Fits select 1994-2005 Mazda Miata and Protege models.

Wiseco Professional Series forged racing pistons are engineered for high-boost turbo builds and severe-duty racing applications. Forged from 2618 aluminum alloy, these pistons provide the superior tensile strength required for the high-heat and extreme cylinder pressures of forced induction environments. These are no-expense-spared components designed for serious engine builders and racers.

Each piston features Wiseco's ArmorGlide skirt coating to reduce friction, minimize skirt wear, and ensure quieter operation. The fully machined crowns include anti-detonation grooves and precision ring grooves to optimize ring seal and durability under heavy loads. Forced pin oiling ensures the wrist pins receive consistent lubrication to prevent galling during high-RPM operation.

• Manufacturer Part Number: K553M84
• Bore Size: 84mm
• Compression Height: 1.201 in
• Dome/Dish Volume: -4cc (Turbo/Dish Profile)
• Material: 2618 Forged Aluminum
• ArmorGlide Skirt Coating for seizure resistance and friction reduction
• Designed for heavy to severe duty performance applications
• Includes premium rings and high-strength wrist pins

Precision engine assembly requires the right tools to prevent component damage. The Wiseco 96.0mm Piston Ring Compressor Sleeve (MPN: RCS09600) is engineered to provide a seamless transition for pistons and rings into the cylinder bore. This professional-grade tool eliminates the struggle of manual ring compression, ensuring high-performance oil rings are seated correctly without snagging or breaking.

Each sleeve features a smooth internal radius that tapers precisely down to the 96.0mm bore size. This design compresses the rings evenly around the piston circumference as it is pushed through the tool. To ensure long-term durability and minimal resistance, the sleeve is hard-anodized and finished with a Teflon coating for a low-friction surface.

• Precision Bore: Fixed 96.0mm size for exact fitment
• Material: Hard-anodized aluminum with Teflon coating for reduced friction
• Design: Smooth internal taper for even ring compression
• Ease of Use: Laser-marked size indication for quick identification in the toolbox
• Manufacturer Part Number: RCS09600

Fits select 1971-2017 Ford, Honda, Mitsubishi, Chrysler, Dodge, Plymouth, and Arctic Cat vehicles.

Engineered for precision sealing and long-term durability, Wiseco 4-stroke piston ring sets are manufactured to exacting tolerances to complement Wiseco shelf stock pistons. These rings are designed to maximize compression and optimize oil control, providing a reliable barrier that translates to consistent power delivery. Whether you are rebuilding a classic Ford 4.6L V8, a Mitsubishi VR-4, or a Honda TRX500 utility ATV, these rings deliver the race-proven performance necessary for demanding environments.

• Bore Diameter: 92.00mm
• Application: 4-Stroke engines
• Optimized for compression sealing and oil management
• Developed and tested for high-performance and racing use
• Manufacturer Part Number: 9200XX

Fits Subaru WRX and STI models equipped with the EJ257 engine.

Wiseco Professional Series forged racing pistons are engineered for high-performance builders who require exceptional durability in heavy to severe-duty applications. Forged and precision-machined in the USA from 2618 aluminum alloy, these pistons provide the increased tensile strength necessary for high-boost or high-RPM EJ257 builds. This shelf stock kit delivers custom-level performance features in a ready-to-install package.

Every piston in this kit is treated with Wiseco’s proprietary ArmorGlide skirt coating, which reduces friction and provides seizure resistance while ensuring quieter operation. The design includes fully machined crowns with anti-detonation grooves to protect the ring lands and improve seal under extreme cylinder pressures. Forced pin oiling is also integrated to ensure the wrist pins receive constant lubrication during high-load operation.

• 2618 Forged Aluminum: High-strength alloy optimized for racing and forced induction.
• ArmorGlide Skirt Coating: Minimizes friction and protects against cylinder wall scuffing.
• Precision Ring Grooves: Enhanced ring seal with integrated anti-detonation grooves.
• Forced Pin Oiling: Directs oil to the wrist pin for improved longevity.

Technical Specifications:

• Engine: Subaru EJ257 (4-Valve)
• Bore Size: 100mm
• Piston Volume: -19cc Dish
• Material: 2618 Forged Aluminum
• Manufacturer Part Number: K598M100AP
• Included: Premium piston rings and wrist pins

Engineered for Chevrolet LS builds, the Wiseco Pro Tru Street series provides a high-strength, forged solution for performance street and track applications. Forged from 4032 aluminum alloy, these pistons offer excellent thermal stability and allow for tighter piston-to-wall clearances, making them ideal for high-mileage durability and quieter operation.

This comprehensive kit includes everything needed for the rotating assembly upgrade, featuring precision-machined oil drain backs and AS-forged dome features. Each piston is treated with Wiseco's ArmorGlide skirt coating to minimize friction and provide superior seizure resistance during high-load operation. The set comes complete with chromium alloy steel piston pins and Spirolox for a secure, reliable installation.

• Manufacturer Part Number: PTS523AS
• Bore Size: 4.000in
• Compression Height (CH): 1.335in
• Dome/Dish Volume: 4.00cc
• Material: 4032 Forged Aluminum Alloy
• Coating: ArmorGlide Skirt Coating
• Included Components: Piston rings, chromium alloy steel pins, and Spirolox clips

Engineered for high-boost BMW M52B28 turbo applications, these Wiseco Professional Series forged pistons provide the structural integrity required for severe-duty racing. Featuring an 85.00mm bore (+1.00mm oversized) and a low 8.0:1 compression ratio, this set is designed to manage the extreme cylinder pressures of forced induction while maintaining superior ring seal and thermal stability.

Forged and precision-machined in the USA from 2618 aluminum alloy, these pistons offer high tensile strength and durability under extreme heat. The skirts are treated with ArmorGlide coating to reduce friction, resist seizure, and provide quieter operation during cold starts. Every piston features forced pin oiling and anti-detonation grooves to protect the engine during high-load performance use.

• Fits BMW M52B28 2.8L 24V engines
• Bore Diameter: 85.00mm (+1.00mm Oversized)
• Compression Ratio: 8.0:1
• Material: 2618 Forged Aluminum Alloy
• ArmorGlide skirt coating for friction reduction and wear resistance
• Precision-machined ring grooves with anti-detonation features
• Forced pin oiling for enhanced wrist pin lubrication
• Includes premium piston rings and wrist pins
• Manufacturer Part Number: KE119M85

Fits 2006-2013 Mazda Mazdaspeed 3 and Mazdaspeed 6.

Wiseco Professional Series forged racing pistons are engineered for high-performance builds requiring exceptional tensile strength and durability. Machined in the USA from 2618 aluminum alloy, this piston kit (K640M875) is built to withstand the extreme thermal and mechanical stresses of heavy-duty race applications while maintaining precise tolerances.

• Forged from high-strength 2618 aluminum for improved tensile strength
• ArmorGlide skirt coating for reduced friction, quieter operation, and seizure resistance
• -13.3cc dished crown with a 9.5:1 compression ratio
• Precision-machined ring grooves and anti-detonation grooves for a superior seal
• Forced pin oiling for enhanced lubrication and component longevity
• Includes premium piston rings and necessary hardware

Designed for high-output Acura 4-valve race engines, the Wiseco Professional Series Piston Kit is engineered for heavy to severe duty performance. These pistons are forged and machined in the USA from high-strength 2618 aluminum alloy to provide the superior tensile strength required for high-compression or forced induction builds.

• Advanced Materials: Forged from 2618 aluminum for maximum durability in extreme environments.
• ArmorGlide Coating: A specialized skirt coating that reduces friction, prevents seizure, and ensures quieter operation.
• Enhanced Lubrication: Features forced pin oiling to maintain a consistent oil film on the wrist pin under high loads.
• Precision Machining: Includes fully machined crowns, anti-detonation grooves, and precision-cut ring grooves for optimal seal and pressure management.
• Strutted Design: Provides increased structural rigidity while maintaining a lightweight profile.

Specifications:
Bore Size: 86.00mm
Dome Volume: +8cc
Material: 2618 Forged Aluminum Alloy
Manufacturer Part Number: K573M86AP
Included: Premium rings and high-quality wrist pins

Fits 1996-2007 Mitsubishi Lancer Evolution IV, V, VI, VII, VIII, and IX (4G63).

Wiseco Professional Series forged pistons are engineered for high-horsepower Mitsubishi 4G63 builds where reliability under extreme cylinder pressure is mandatory. Forged from high-tensile 2618 aluminum alloy, these pistons feature an asymmetric skirt design to minimize friction and weight while maintaining stability at high RPM. Each piston is treated with Wiseco's ArmorGlide skirt coating to reduce drag and provide a seizure-resistant surface for increased longevity in heavy-duty racing environments.

This set includes precision-machined features such as forced pin oiling for superior wrist pin lubrication and anti-detonation grooves to protect the ring land by disrupting pressure waves. The fully machined crowns and precision-cut ring grooves ensure maximum combustion seal and consistent performance across all cylinders.

• Manufacturer Part Number: K666M855AP
• Bore Size: 85.50mm (+.020 over)
• Compression Ratio: 9.5:1
• Material: 2618 Forged Aluminum Alloy
• Skirt Coating: ArmorGlide Friction-Reduction Coating
• Includes: Premium piston rings, wrist pins, and locks
• Features: Asymmetric skirt, forced pin oiling, and anti-detonation grooves

Fits 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and MR Touring models equipped with the 4B11-T engine.

Wiseco Professional Series forged racing pistons are engineered for the extreme thermal and mechanical loads of high-output race builds. Machined in the USA from 2618 aluminum alloy, these pistons offer superior tensile strength and fatigue resistance compared to standard casting. Each piston features Wiseco’s proprietary ArmorGlide skirt coating to minimize friction, reduce wear, and ensure quieter operation even in heavy-duty performance applications.

• Manufacturer Part Number: K636M87
• Material: 2618 Aluminum Alloy for maximum durability
• Piston Volume: -4.5cc
• ArmorGlide Skirt Coating: Reduces friction and resists seizure
• Precision-machined ring grooves and anti-detonation grooves for improved sealing
• Fully machined crown features for optimized combustion
• Forced pin oiling for enhanced wrist pin lubrication
• Includes premium piston rings, wrist pins, and clips

Fits the 2004 Nissan 350Z (VQ35).

Wiseco Professional Series forged racing pistons are engineered for high-performance builds where durability and thermal management are critical. Precision-machined in the USA from 2618 aluminum alloy, these pistons offer superior tensile strength for engines subjected to the high cylinder pressures of heavy to severe-duty racing. The dished crown design features a -10cc volume, ideal for optimizing compression in performance VQ35 applications.

Each piston is treated with ArmorGlide skirt coating to reduce friction, minimize noise, and provide seizure resistance. To ensure long-term reliability under load, the kit includes forced pin oiling to maintain constant lubrication at the wrist pin, along with an anti-detonation groove and precision-machined ring grooves for a superior seal.

• Manufacturer Part Number: K605M955AP
• Bore Size: 95.5mm
• Piston Volume: -10cc (Dished)
• Material: Forged 2618 Aluminum Alloy
• Coating: ArmorGlide Skirt Coating
• Features: Forced pin oiling and anti-detonation grooves
• Includes: Premium piston rings and wrist pins

Fits 1991-1999 Dodge Stealth R/T Turbo and Mitsubishi 3000GT VR-4 (including Spyder VR-4).

Wiseco Professional Series forged pistons are engineered for high-boost, severe-duty racing applications where durability is critical. Machined in the USA from 2618 aluminum alloy for superior tensile strength, these pistons are built to handle the extreme cylinder pressures typical of the 3.0L twin-turbo platform. This shelf stock kit provides custom-level performance features in a ready-to-install package.

Each piston features Wiseco's ArmorGlide skirt coating to reduce friction and minimize wear, along with forced pin oiling for improved wrist pin lubrication under heavy loads. Precision-machined ring grooves and anti-detonation grooves ensure a superior ring seal and long-term reliability for professional-grade engine builds.

• Manufacturer Part Number: K570M915
• Bore Size: 91.5mm
• Compression Height: 1.250 in
• Piston Volume: -14cc dish
• Material: 2618 Forged Aluminum
• ArmorGlide skirt coating for friction reduction and quieter operation
• Forced pin oiling for enhanced lubrication
• Fully machined crown features
• Includes premium piston rings

This Wiseco Professional Series forged piston kit is engineered for Volkswagen 1.8T 8V engines, providing a high-strength solution for heavy to severe duty racing builds. Forged and machined in the USA from 2618 aluminum alloy, these pistons offer the superior tensile strength required for high-boost or high-output applications where factory components fail.

Each piston in the K563M81AP kit features a -7cc dish and an 81mm bore, precision-machined to ensure tight tolerances and optimal ring seal. The integrated ArmorGlide skirt coating reduces friction and resists seizure for quieter operation and a longer service life. Forged pin oiling and fully machined crowns come standard to handle the thermal and mechanical stresses of professional-level engine builds.

• Engineered for Volkswagen 1.8T 8V engines (1.8T)
• Material: 2618 Forged Aluminum for maximum heat and stress resistance
• Bore Size: 81mm
• Piston Volume: -7cc Dished
• ArmorGlide Skirt Coating for friction reduction and seizure resistance
• Forced pin oiling for improved wrist pin lubrication
• Includes premium rings and hardware
• Manufacturer Part Number: K563M81AP

Fits 2003-2009 Dodge Neon SRT-4 and Chrysler PT Cruiser models.

Wiseco Professional Series forged racing pistons are engineered for high-performance builds requiring extreme durability under heavy to severe duty cycles. Machined in the USA from high-tensile 2618 aluminum, these pistons are designed to handle the increased cylinder pressures and thermal loads of turbocharged SRT-4 engines. Each piston features Wiseco’s proprietary ArmorGlide skirt coating to reduce friction, prevent seizure, and ensure quieter operation. The fully machined crowns include anti-detonation grooves and precision ring grooves to optimize combustion sealing.

• Forged from 2618 aluminum for superior tensile strength in racing applications
• ArmorGlide skirt coating for friction reduction and wear resistance
• Forced pin oiling for improved wrist pin lubrication at high RPMs
• Precision-machined crown and anti-detonation grooves for enhanced ring seal
• Complete kit including premium piston rings and wrist pins

• Manufacturer Part Number: K562M88
• Bore Size: 88.0mm
• Compression Height: 1.400"
• Piston Volume: -17cc

Designed for high-output Acura 4-valve race builds, this Wiseco Professional Series Piston Kit is engineered to handle extreme cylinder pressures and high-RPM stress. These pistons are forged from high-tensile 2618 aluminum alloy, providing the thermal stability and strength required for severe-duty applications. The strutted forging design optimizes the strength-to-weight ratio, ensuring durability without excessive reciprocating mass.

Each piston features Wiseco’s ArmorGlide skirt coating to reduce friction and prevent scuffing, alongside a fully machined crown for optimized flame travel. Precision-engineered anti-detonation grooves and forced pin oiling ensure long-term reliability in competitive environments.

• Material: Forged 2618 Aluminum for superior tensile strength
• Bore Size: 87.50mm
• Dome Volume: +8cc domed crown for increased compression
• Coating: ArmorGlide skirt coating for reduced friction and noise
• Features: Forced pin oiling, precision ring grooves, and anti-detonation grooves
• Includes: Premium ring set, wrist pins, and locks
• MPN: K573M875AP

The Wiseco RCS08700 Piston Ring Compressor Sleeve is a precision tool designed to streamline engine assembly by ensuring pistons are installed without damaging critical ring surfaces. Unlike adjustable pliers-style compressors, this sleeve features a fixed, smooth internal radius that tapers down to the exact 87.0mm bore size, allowing the piston assembly to slide into the block with perfectly even compression.

Engineered for professional builders and high-performance applications, the sleeve is hard-anodized and Teflon-coated to reduce friction and provide superior wear resistance. This design is specifically effective for installing high-performance oil rings, which often present the highest risk of snagging during installation.

• Precision-machined for 87.0mm bore engines
• Hard-anodized and Teflon-coated finish for low friction and durability
• Tapered internal radius ensures smooth, even ring compression
• Laser-marked size indication for quick identification in the shop
• Simplifies installation of high-tension performance ring sets
• Manufacturer Part Number: RCS08700

Fits select 1990-1992 Mitsubishi Eclipse, Galant VR-4, Eagle Talon TSi, and Plymouth Laser RS. This Wiseco Professional Series forged piston kit is engineered for high-output turbo builds where reliability and strength are paramount. Forged and machined in the USA from 2618 aluminum alloy, these pistons offer superior tensile strength compared to standard alloys, making them ideal for heavy to severe duty racing applications.

Each kit includes Wiseco’s proprietary ArmorGlide skirt coating, which significantly reduces friction and prevents seizure under high thermal loads while providing quieter engine operation. The crowns are fully machined and feature an anti-detonation groove to protect the ring land by disrupting pressure waves. Forced pin oiling ensures constant lubrication at the wrist pin, extending the life of the rotating assembly during high-RPM use.

• Bore Size: 85.5mm
• Dish Volume: -10cc
• Compression Height: 1.378 in
• Material: 2618 Forged Aluminum
• Skirt Coating: ArmorGlide seizure-resistant finish
• Includes: Premium rings, wrist pins, and circlips
• Manufacturer Part Number: K560M855