The Wiseco RCS08550 85.5mm Piston Ring Compressor Sleeve is a precision-engineered tool designed for engine builders who demand consistent, damage-free piston installation. Unlike adjustable pliers-style compressors, this fixed-diameter sleeve features a smooth internal radius that tapers precisely to 85.5mm. This geometry ensures the ring pack is compressed evenly 360 degrees around the piston, preventing ring breakage and simplifying the installation of delicate high-performance oil rings.

• Hard-anodized and Teflon-coated for exceptionally low friction and long-term wear resistance.
• Engineered with a smooth radius taper to guide rings into the bore without snagging.
• Provides uniform compression for even seating and reduced assembly risk.
• Laser-marked with size identification for quick reference in the shop.
• Manufacturer Part Number: RCS08550

The Wiseco RCS08500 85.0mm piston ring compressor sleeve is a precision tool designed to simplify engine assembly while protecting delicate high-performance oil rings. Engineered with a smooth radius that tapers down exactly to the 85.00mm bore size, this sleeve ensures rings are compressed evenly and smoothly as the piston is seated into the cylinder block.

Constructed for professional-grade durability, each sleeve is hard-anodized and Teflon coated. This combination significantly reduces friction during installation and provides long-term resistance to wear and abrasion from ring tension. The laser-marked size indication allows for quick identification in a busy shop environment, making it an essential component for any precision engine rebuild.

• Hard-anodized and Teflon coated for low friction and prolonged wear resistance
• Smooth radius taper designed for specific 85.0mm bore size
• Greatly reduces difficulty of installing high-performance oil rings
• Compresses piston rings smoothly and evenly to prevent breakage
• Laser-marked with size for easy identification
• Manufacturer Part Number: RCS08500

Ensure a precise and damage-free engine build with the Wiseco RCS08400 Piston Ring Compressor Sleeve. Specifically engineered for an 84.0mm bore, this tool eliminates the difficulty of seating high-performance piston rings by providing a smooth, tapered transition from the sleeve into the cylinder block.

Constructed for professional-grade durability, the sleeve is hard-anodized and Teflon-coated to create a low-friction surface that prevents ring snagging or marring. The internal geometry features a smooth radius that tapers down to the exact bore size, compressing the ring pack evenly and securely as the piston is installed. This design is particularly effective for delicate or high-tension performance oil rings that are prone to damage with universal-style pliers compressors.

• Manufacturer Part Number: RCS08400
• Bore Size: 84.0mm
• Material: Hard-anodized aluminum with Teflon coating for reduced friction
• Design: Tapered bore with a smooth entry radius for even ring compression
• Identification: Laser-marked size indication for easy tool management

Engineered for precision engine assembly, the Wiseco RCS08350 Piston Ring Compressor Sleeve provides a seamless solution for installing rings without risk of damage. This 83.50mm tool is forged in the USA and features a smooth internal radius that tapers specifically to the bore size, ensuring even compression of the piston rings—a critical step when handling high-performance oil rings with high tension.

To facilitate low-friction assembly and long-term durability, each sleeve is hard-anodized and Teflon-coated. This professional-grade finish protects the ring faces and provides a smooth path into the cylinder block. Each unit is laser-marked with its bore size for easy identification in a busy shop environment.

• Bore Diameter: 83.50mm
• Construction: Forged high-strength material
• Surface Treatment: Hard-anodized and Teflon-coated for low friction
• Tapered design for uniform ring compression and easy installation
• Laser-etched size indication for quick identification
• Manufacturer Part Number: RCS08350

Precision engine assembly requires the right tools to prevent ring damage and ensure proper seating. The Wiseco RCS08300 Piston Ring Compressor Sleeve is a professional-grade solution for installing pistons into 83.0mm bores. Forged in-house in the USA, this sleeve features a smooth internal radius that tapers down to the exact bore size, providing even, 360-degree compression as the piston passes through.

• Bore Size: 83.0mm
• Construction: Forged aluminum for strength and longevity
• Finish: Hard-anodized and Teflon coated to minimize friction and prevent wear
• Precision Taper: Smooth internal radius ensures seamless ring entry into the cylinder
• Oil Ring Support: Specifically designed to ease the installation of high-performance oil ring sets
• Identification: Laser-marked with size for quick identification on the workbench
• Part Number: RCS08300

By utilizing a fixed-diameter sleeve instead of a generic adjustable tool, builders eliminate the risk of ring snagging or breakage, ensuring a safe and efficient assembly process for high-performance engines.

Protect your engine investment during the assembly process with the Wiseco 81.50mm Piston Ring Compressor Sleeve. This precision-machined tool is engineered to simplify the installation of high-performance pistons and rings by providing a smooth, even compression that prevents ring breakage and cylinder wall scoring.

Constructed for professional use, the RCS08150 sleeve features a hard-anodized finish and a specialized Teflon coating. This combination significantly reduces friction and provides long-term wear resistance for repeated engine builds. The sleeve is machined with a smooth internal radius that tapers precisely to the 81.50mm bore size, ensuring even the most delicate oil rings are seated correctly as the piston assembly enters the block.

• Sized specifically for 81.50mm bore diameters
• Hard-anodized and Teflon coated for low friction and durability
• Tapered internal diameter ensures smooth, snag-free ring compression
• Laser-marked size identification for quick tool selection
• Manufacturer Part Number: RCS08150

Streamline your engine assembly and protect your components with the Wiseco RCS08100 Piston Ring Compressor Sleeve. Designed for a precise 81.0mm bore, this tool ensures that high-performance piston rings are compressed smoothly and evenly as they enter the cylinder, significantly reducing the risk of breakage or oil ring misalignment during installation.

Built to professional standards, the sleeve is hard-anodized and Teflon-coated to provide a low-friction surface and long-term wear resistance. The interior is machined with a smooth radius that tapers down to the exact bore size, allowing the piston assembly to slide into place with minimal resistance. Each sleeve is laser-marked for easy identification on the workbench.

• Bore Size: 81.0mm
• Material: Precision-machined aluminum
• Finish: Hard-anodized and Teflon coated for friction reduction
• Design: Smooth internal radius taper for even ring compression
• Identification: Laser-etched size marking
• Manufacturer Part Number: RCS08100

The Wiseco RCS08000 Piston Ring Compressor Sleeve is a precision engine-building tool designed to streamline the installation of pistons into an 80.0mm bore. Unlike universal pliers-style compressors, this dedicated sleeve features a smooth internal radius that tapers down to the exact bore size, ensuring rings are compressed evenly and safely to prevent snagging or breakage during assembly.

Built to withstand the rigors of professional engine assembly, the sleeve is hard-anodized and Teflon-coated. This specific finish reduces friction for a smooth piston drop while providing exceptional wear resistance. The tapered design is particularly effective for installing high-performance oil rings that often provide fitment challenges with standard tools.

• Bore Size: 80.0mm
• Material: Hard-anodized aluminum with Teflon coating for low friction
• Tapered internal diameter for even ring compression
• Smooth radius entry prevents ring damage
• Laser-marked with size for quick identification
• Manufacturer Part Number: RCS08000

The Wiseco RCS07900 79.00mm Piston Ring Compressor Sleeve is a precision-engineered tool designed to streamline high-performance engine assembly. Unlike universal pliers-style compressors, this dedicated sleeve features a smooth internal radius that tapers precisely to a 79.00mm bore, ensuring rings are compressed evenly and safely as the piston is seated in the cylinder.

Built for professional use, the sleeve is hard-anodized and Teflon-coated to minimize friction and prevent damage to delicate ring faces or coatings. This tapered design is particularly effective for installing high-performance oil rings without the risk of snagging or breakage. Each sleeve is laser-marked with its specific size for quick identification in the toolbox.

• Part Number: RCS07900
• Bore Size: 79.00mm
• Material: Hard-anodized aluminum with Teflon coating for low friction
• Design: Tapered bore for smooth, even ring compression
• Finish: Black anodized with laser-marked sizing

Streamline your engine assembly with the Wiseco RCS07850 78.50mm Piston Ring Compressor Sleeve. Forged in-house in the USA, this precision tool is engineered to solve the common challenges of installing high-performance pistons and fragile oil rings. The sleeve features a smooth radius that tapers specifically to a 78.50mm bore, ensuring rings are compressed evenly and safely as the piston is seated.

Constructed for longevity and performance, each sleeve is hard-anodized and Teflon coated to reduce friction and provide superior wear resistance during repeated use. This professional-grade tool eliminates the struggle of traditional adjustable compressors, offering a dedicated, repeatable fit for high-performance builds.

• Precision-machined with a smooth taper for effortless piston installation
• Hard-anodized and Teflon coated for low friction and durability
• Specifically designed to compress high-performance oil rings without damage
• Laser-marked with 78.50mm size for easy identification in the toolbox
• Forged aluminum construction manufactured in the USA
• Manufacturer Part Number: RCS07850

The Wiseco RCS07800 78.0mm Piston Ring Compressor Sleeve is a professional-grade tool engineered to simplify engine assembly while protecting your rings and cylinder bores. This sleeve features a precision-machined, smooth internal radius that tapers exactly to a 78.0mm bore, ensuring that high-performance ring sets—including delicate, high-tension oil rings—are compressed evenly and smoothly as the piston is seated.

• Precision Fit: Engineered specifically for 78.0mm bore sizes to eliminate ring snagging.
• High-End Finish: Hard-anodized and Teflon-coated for ultra-low friction and superior wear resistance.
• Tapered Design: Smooth radius taper allows for seamless ring compression during installation.
• Professional Visibility: Laser-marked with the size for easy identification in your tool chest.
• Application: Ideal for high-performance engine rebuilds where ring integrity is critical.
• Manufacturer Part Number: RCS07800

Ensure a precise and damage-free engine assembly with the Wiseco RCS07750 77.5mm Bore Ring Compressor Sleeve. This essential engine-building tool is engineered to compress piston rings smoothly and evenly, significantly reducing the difficulty and risk associated with installing high-performance oil rings into the cylinder block.

Each sleeve is manufactured with a specific internal taper and a smooth radius that guides the piston assembly into the bore without snagging. To provide long-term durability and minimize friction during the installation process, Wiseco utilizes a hard-anodized finish paired with a Teflon coating. This combination ensures superior wear resistance and a low-drag surface for the rings to glide against.

• Precision-machined for 77.5mm bore sizes
• Hard-anodized and Teflon-coated for low friction and durability
• Tapered design facilitates even ring compression
• Laser-marked with size indication for quick identification
• Manufacturer Part Number: RCS07750

Ensure a precise and damage-free engine build with the Wiseco 77.0mm Ring Compressor Sleeve (RCS07700). Unlike generic adjustable compressors, this dedicated sleeve features a smooth internal radius that tapers down to the exact bore size, compressing piston rings evenly as the assembly slides into the cylinder. This design significantly reduces the risk of binding or breaking high-performance oil rings during installation.

• Precision Machining: Engineered specifically for 77.0mm bores to provide seamless ring transition into the cylinder.
• Low-Friction Finish: Hard-anodized and Teflon-coated for superior wear resistance and reduced friction during assembly.
• Even Compression: Distributes pressure uniformly around the ring circumference to prevent snagging or scoring.
• Shop Ready: Laser-marked with size indication for quick identification among your engine building tools.
• Manufacturer Part Number: RCS07700

Streamline your engine assembly with the Wiseco RCS07600 76.0mm Bore Ring Compressor Sleeve. This precision-machined tool is engineered to simplify the installation of pistons and rings, providing a smooth, tapered radius that evenly compresses rings into the cylinder bore without snagging or damage. It is particularly effective for managing the high-tension oil rings found in modern high-performance builds.

Constructed for longevity in a professional shop environment, the sleeve is hard-anodized and Teflon-coated to minimize friction and provide superior wear resistance. Each sleeve is laser-marked with its specific bore size for rapid identification in your toolbox.

• Bore Diameter: 76.0mm
• Construction: Hard-anodized aluminum with Teflon coating
• Features: Smooth internal taper and radius for even ring compression
• Application: Reduces risk of ring breakage or bore scuffing during assembly
• Manufacturer Part Number: RCS07600

The Wiseco RCS07550 Piston Ring Compressor Sleeve is a precision engine-building tool designed to simplify the installation of high-performance pistons and rings. Engineered with a smooth radius that tapers down to a specific 75.5mm bore size, this sleeve compresses piston rings evenly and smoothly, significantly reducing the risk of damaging or breaking delicate oil rings during assembly.

• Bore Size: 75.5mm
• Material: Hard-anodized aluminum for long-term durability
• Coating: Teflon-coated surface for low friction and smooth piston travel
• Design: Tapered bore with a smooth radius for seamless ring compression
• Markings: Laser-etched size indication for quick identification in the shop
• Manufacturer Part Number: RCS07550

The Wiseco 74.5mm Piston Ring Compressor Sleeve (RCS07450) is a precision engine building tool designed to simplify the installation of pistons into the cylinder bore. Engineered for professional-grade rebuilds, this fixed-bore sleeve eliminates the risk of ring breakage or misalignment common with universal adjustable tools.

• Precision Bore: Specifically sized for 74.5mm bores with a smooth entry radius that tapers down to ensure uniform ring compression.
• Advanced Coating: Hard-anodized aluminum construction featuring a Teflon coating to minimize friction and provide long-term wear resistance.
• High-Performance Compatibility: Optimized to safely compress thin, high-performance oil rings without damage.
• Clear Identification: Laser-marked with the 74.5mm size indication for quick identification in the tool chest.
• Manufacturer Part Number: RCS07450

Ensure a precise and damage-free engine assembly with the Wiseco RCS07400 Piston Ring Compressor Sleeve. Engineered for 74.0mm bore applications, this professional-grade tool features a smooth internal radius that tapers down to the exact bore size. This design allows for even and smooth compression of the piston rings, significantly reducing the risk of snapping or damaging high-performance oil rings during installation into the cylinder block.

Constructed for longevity in a professional shop environment, the sleeve is hard-anodized and Teflon coated. This combination provides a low-friction surface for the rings to glide against while ensuring the sleeve itself resists wear over repeated use. Each unit is laser-marked for easy size identification on your workbench.

• Part Number: RCS07400
• Bore Diameter: 74.0mm
• Material: Hard-anodized aluminum
• Coating: Teflon treated for low friction
• Tapered design for smooth ring compression
• Laser-etched size markings for quick identification

Ensure precise and damage-free piston installation with the Wiseco 73.40mm Bore Ring Compressor Sleeve. Designed for professional engine builders and enthusiasts alike, this sleeve features a smooth internal radius that tapers down to the exact bore size. This allows piston rings to compress evenly and gradually as they enter the cylinder block, significantly reducing the risk of breaking or distorting delicate high-performance oil rings.

Constructed for longevity and ease of use, each sleeve is hard-anodized and Teflon-coated to minimize friction and provide superior wear resistance. The tool is laser-marked with the specific bore size for quick, reliable identification in any shop environment.

• Precision-machined for 73.40mm bore applications
• Hard-anodized and Teflon-coated for low friction and maximum durability
• Smooth tapered radius ensures even and uniform ring compression
• Simplifies the installation of high-performance piston and oil rings
• Laser-etched size indication for easy tool identification
• Manufacturer Part Number: RCS07340

Ensure a precise and damage-free engine assembly with the Wiseco Piston Ring Compressor Sleeve. This specialty tool is engineered for engine builders who require a reliable, repeatable method for installing pistons without risking damage to high-performance ring sets. Designed for a 73.0mm bore, this tapered sleeve provides a smooth transition from the ring lands into the cylinder block.

• Precision Taper: Features a machined smooth radius that tapers specifically to a 73.0mm bore size, compressing rings evenly to prevent breakage.
• Durable Construction: Hard-anodized aluminum construction for structural integrity during repeated use.
• Low-Friction Coating: Teflon-coated surface reduces resistance and prevents scuffing of the piston rings during installation.
• Simplified Assembly: Specifically designed to reduce the difficulty of installing thin, high-tension performance oil rings.
• Laser-Marked Sizing: Permanent size indication is laser-etched into the sleeve for quick identification.
• Manufacturer Part Number: RCS07300

Ensure precision and safety during engine assembly with the Wiseco RCS07200 Piston Ring Compressor Sleeve. Engineered specifically for a 72.0mm bore, this tool features a smooth internal radius that tapers down to the exact cylinder size, allowing for seamless piston installation. The design eliminates the risk of snagging or breaking high-performance oil rings, providing even compression as the piston moves into the bore.

• Precision-machined for a 72.0mm bore diameter
• Hard-anodized and Teflon coated to reduce friction and provide long-term wear resistance
• Tapered entry design compresses rings smoothly and evenly to prevent damage
• Laser-marked with size indication for easy identification in the toolbox
• Ideal for high-performance engine rebuilds where ring seating is critical
• Manufacturer Part Number: RCS07200

Simplify your engine assembly with the Wiseco RCS07000 70.0mm Piston Ring Compressor Sleeve. Engineered for precision and ease of use, this specialty tool features a smooth internal radius that tapers down to the specific 70.0mm bore size. This design allows you to compress piston rings smoothly and evenly as they enter the cylinder, significantly reducing the difficulty of installing high-tension, high-performance oil rings.

Built to professional engine-builder standards, the RCS07000 is hard-anodized and Teflon-coated. This combination provides a low-friction surface for the piston to slide through while ensuring long-term wear resistance for repeated shop use. Each sleeve is laser-marked with the bore size for quick identification in your toolbox.

• Manufacturer Part Number: RCS07000
• Bore Size: 70.0mm
• Finish: Hard-anodized and Teflon-coated for low friction
• Tapered design ensures smooth ring compression
• Reduces risk of ring damage during installation
• Laser-marked sizing for durability and visibility

The Wiseco RCS06900 69.0mm Piston Ring Compressor Sleeve is a professional-grade assembly tool designed to ensure precise, damage-free piston installation. Unlike generic adjustable clamps, this fixed-bore sleeve features a precision-machined internal radius that tapers down to the exact 69.0mm bore size, compressing piston rings evenly and smoothly as the piston is seated into the cylinder block.

Constructed for longevity and performance, this sleeve is hard-anodized and Teflon-coated to provide a low-friction surface that protects high-performance oil rings during assembly. The durable finish also offers superior wear resistance for repeated use in shop environments.

• Precision tapered design for smooth, even ring compression
• Hard-anodized and Teflon-coated for low friction and durability
• Specifically sized for 69.0mm bore applications
• Laser-marked with size indication for quick identification
• Simplifies installation of high-performance ring sets
• Manufacturer Part Number: RCS06900

The Wiseco RCS06700 67.0mm Tapered Piston Ring Compressor Sleeve is a precision engine-building tool designed to ensure smooth, damage-free piston installation. Unlike generic band-style compressors, this sleeve features a fixed, machined taper that compresses rings evenly as the piston assembly passes through. This significantly reduces the risk of catching or snapping high-performance oil rings during the assembly process.

Constructed for longevity and performance, each sleeve is hard-anodized and Teflon-coated to provide a low-friction surface that prevents ring snagging. The smooth internal radius is engineered to guide the piston into the bore with professional-grade accuracy, making it an essential tool for high-tolerance engine rebuilds.

• Specifically sized for 67.0mm bore applications
• Hard-anodized and Teflon-impregnated coating for maximum wear resistance and low friction
• Tapered internal diameter ensures smooth, even ring compression
• Laser-marked with size indication for quick identification
• Manufacturer Part Number: RCS06700

Designed for Chevrolet LS engine builds, the Wiseco Pro Tru Street Series Piston Set provides a high-strength, forged solution for street performance and weekend track applications. Forged in Mentor, Ohio, from 4032 aluminum alloy, these pistons feature a low-expansion rate that allows for tighter piston-to-wall clearances, resulting in quieter operation and exceptional durability.

Each piston is finished with Wiseco’s proprietary ArmorGlide skirt coating to reduce friction, prevent scuffing, and ensure a seizure-resistant interface with the cylinder walls. The AS-Forged dome design incorporates precision crown features and integrated oil drain backs to optimize thermal management and lubrication under high loads.

• Material: High-silicon 4032 forged aluminum alloy
• Bore Size: 4.030in
• Compression Height: 1.335in
• Piston Volume: 4.00cc
• Skirt Coating: ArmorGlide permanent dry film lubricant
• Wrist Pins: High-quality chromium alloy steel
• Retainers: Spirolox clips included
• Rings: Complete ring set included
• MPN: PTS523A3

Fits BMW M54B30 3.0L 24V engines.

Wiseco Professional Series forged pistons are engineered for high-performance and severe-duty BMW M54B30 builds. Machined in the USA from high-tensile 2618 forged aluminum alloy, these pistons are designed to handle the increased cylinder pressures of forced induction or high-output racing applications. The set features a 9.0:1 compression ratio, providing a robust foundation for tuners looking to maximize reliability under load.

Each piston is treated with Wiseco’s ArmorGlide skirt coating to minimize friction, reduce operating noise, and prevent scuffing. Technical features like forced pin oiling and anti-detonation grooves ensure consistent lubrication and superior ring seal even in high-heat environments.

• Manufacturer Part Number: KE325M845
• Engine Fitment: BMW M54B30 (3.0L)
• Bore Size: 84.5mm
• Piston Dish: -7.3cc
• Compression Ratio: 9.0:1
• Material: 2618 Forged Aluminum
• Coating: ArmorGlide Skirt Coating
• Included: Set of 6 pistons, premium piston rings, wrist pins, and circlips

Fits BMW M54B30 engines (3.0L Inline-6).

Designed for high-performance and severe-duty racing, the Wiseco Professional Series Piston Kit (KE325M84) provides the strength and precision required for demanding BMW M54 builds. These pistons are forged and machined in the USA from 2618 aluminum alloy, offering significantly higher tensile strength and temperature resistance than cast or standard forged alternatives. Each piston in this set of 6 features the ArmorGlide skirt coating to minimize friction, prevent seizure, and ensure quieter operation under extreme cylinder pressures.

• Forged from 2618 aluminum for maximum durability in race applications
• -7.3cc dome volume with 1.114in compression height
• 3.3071in (84mm) bore size
• ArmorGlide skirt coating for reduced friction and improved wear resistance
• Forced pin oiling ensures consistent wrist pin lubrication
• Precision-machined ring grooves and anti-detonation grooves for superior seal
• Fully machined crown features for optimized combustion
• Includes premium piston rings and high-strength wrist pins
• Manufacturer Part Number: KE325M84

Designed for high-output builds, these Wiseco Professional Series forged pistons are engineered specifically for the Volvo B5254 engine found in the S60R. Machined in the USA from high-tensile 2618 aluminum alloy, these pistons are built to withstand the extreme cylinder pressures of heavy-duty racing and forced induction applications.

This piston set features a -13cc dish volume and an 83.5mm (3.2874in) bore. The proprietary ArmorGlide skirt coating reduces friction and prevents scuffing for quieter, more efficient operation. To ensure long-term reliability under severe duty, these pistons incorporate forced pin oiling and precision-machined anti-detonation grooves to protect the ring land area.

• Manufacturer Part Number: KE227M835
• Material: 2618 Forged Aluminum
• Bore Size: 83.5mm (3.2874in)
• Compression Height: 1.2008in
• Dish Volume: -13cc
• ArmorGlide skirt coating for reduced friction and seizure resistance
• Precision-machined crowns and anti-detonation grooves
• Forced pin oiling for enhanced wrist pin lubrication
• Includes premium piston rings

Fits BMW M52B28 2.8L 24V engines.

Wiseco Professional Series forged racing pistons are engineered for high-boost turbo applications and severe-duty engine builds. Machined in the USA from 2618 forged aluminum alloy, these pistons provide the high tensile strength required to withstand the extreme cylinder pressures of forced induction. Each piston features Wiseco's proprietary ArmorGlide skirt coating to reduce friction, ensure quieter operation, and provide seizure resistance during thermal expansion.

• Engine Application: BMW M52B28 2.8L 24V Turbo
• Bore Size: 84.5mm (+.50mm Oversized)
• Compression Ratio: 8.0:1
• Material: 2618 Forged Aluminum
• Skirt Coating: ArmorGlide
• Key Features: Precision ring grooves, anti-detonation grooves, and forced pin oiling
• Manufacturer Part Number: KE119M845

Designed for professional builders, this set includes premium rings to ensure a superior seal and maximum durability under heavy racing conditions.

Engineered for high-boost forced induction, these Wiseco Professional Series forged pistons are designed for BMW M52B28 (2.8L) engines. Machined in the USA from 2618 forged aluminum alloy, these pistons provide the increased tensile strength and thermal stability required for severe-duty turbo applications.

Each piston features Wiseco’s ArmorGlide skirt coating to reduce friction, minimize noise, and provide seizure resistance under extreme cylinder pressures. To support longevity at high RPM, the set includes forced pin oiling and precision-machined ring grooves with anti-detonation features to maintain a superior seal.

• Fits BMW M52B28 (2.8L) 24V Turbo engines
• Material: High-strength 2618 forged aluminum
• Compression Ratio: 8.0:1
• Bore: Standard
• Coating: ArmorGlide skirt coating for reduced friction
• Pin Oiling: Forced pin oiling for improved lubrication
• Features: Precision ring grooves and anti-detonation grooves
• Includes: Premium rings and wrist pins
• Manufacturer Part Number: KE119M84

Designed for high-boost BMW M50B25 Single Vanos 2.5L 24V Turbo engines, this Wiseco Professional Series piston set provides the strength and durability required for severe-duty racing. These pistons are engineered to handle the thermal and mechanical stresses of forced induction, featuring an 84.5mm bore (0.50mm oversize) and a turbo-optimized 8.8:1 compression ratio.

Each piston is forged from 2618 aluminum alloy to ensure superior tensile strength at high temperatures. The skirts are treated with ArmorGlide coating to reduce friction, minimize noise, and prevent seizure during extreme operation. This kit includes premium piston rings and features forced pin oiling for enhanced wrist pin lubrication and longevity.

• Manufacturer Part Number: KE118M845
• Bore Size: 84.5mm (0.50mm Over Size)
• Compression Ratio: 8.8:1
• Material: Forged 2618 Aluminum Alloy
• ArmorGlide Skirt Coating for reduced friction and wear
• Precision ring grooves and anti-detonation grooves for improved seal
• Fully machined crown features and forced pin oiling
• Includes premium piston rings and wrist pins