Fits 1993-2014 Subaru Impreza, 2002-2014 WRX, and 2004-2021 STI models without air conditioning.

The PERRIN Lightened Crank Pulley is designed to reduce the rotating mass on your crankshaft, allowing the engine to rev more freely and significantly improving throttle response. By replacing the heavy factory steel pulley with this lightweight aluminum alternative, you decrease parasitic drag on the engine for faster acceleration. This specific version is engineered for Subaru EJ-series engines where the air conditioning system has been removed or was not equipped from the factory.

• Precision CNC machined from 6061-T6 aluminum for maximum durability
• Weighs significantly less than the OEM pulley to reduce rotational inertia
• Black anodized finish provides a sleek look and superior corrosion resistance
• Direct bolt-on replacement for factory hardware
• Optimized for vehicles without an AC compressor or belt drive

Fits 2017-2021 Honda Civic Type-R (K20C1).

The PERRIN Performance Lightweight Crank Pulley is engineered to reduce rotational mass on the crankshaft, allowing the K20C1 engine to rev more freely and respond faster to throttle inputs. By replacing the heavy factory unit with this precision-machined aluminum component, you minimize parasitic drag and improve acceleration performance without compromising engine balance.

• CNC machined from high-strength 6061-T6 aluminum
• Red anodized finish for superior corrosion resistance and a custom aesthetic
• Significantly lighter than the stock OEM cast iron pulley to improve throttle response
• Precision balanced to maintain smooth engine operation across the RPM range
• Direct bolt-on replacement for the factory crank pulley

This Moroso breather tank provides a high-capacity solution for managing crankcase pressure and oil vapor in high-performance or forced induction engines. Constructed from lightweight aluminum with a durable black finish, this 6-inch diameter catch can features dual -16AN bungs to accommodate large-diameter plumbing for maximum ventilation flow.

• 6-inch diameter tank body provides high-volume capacity
• Dual -16AN inlet fittings for high-performance crankcase plumbing
• Lightweight aluminum construction with a sleek black finish
• Designed to effectively trap oil mist while venting clean air through the top breather
• Ideal for professional-grade engine builds and competition use

Maxtrax Universal Mounting Pins provide a secure, vibration-resistant solution for attaching recovery tracks to a roof rack, load bar, or custom mounting bracket. These short-format pins feature a 17mm thread length, ideal for installations where clearance behind the mounting surface is limited or when mounting to thinner plates.

The twist-lock design allows for rapid deployment of your Maxtrax MKII boards during recovery scenarios while keeping them locked down during high-speed transit or rough trail sections. Each pin is engineered to withstand the UV exposure and harsh environments typical of off-road expeditions.

• Compatible with Maxtrax MKII Recovery Tracks
• Thread Length: 17mm
• Short-shank design for low-profile mounting
• Durable, weather-resistant construction

Designed for the Nissan GT-R VR38DETT (3.8L) engine, this Manley Platinum Series single piston is engineered for high-output builds requiring an 88.4mm stroke and a flat top profile. As a Grade 3 component, it meets the precise dimensional tolerances required by professional engine builders for high-performance applications.

Each piston is forged from domestic 2618 high-strength aluminum alloy. Manley utilizes a unique fixturing process that allows for skirt turning and ring groove machining in a single operation, ensuring exceptional squareness between the ring groove and the skirt. This precision, combined with specialized cam and barrel skirt profiles, enhances ring seal and minimizes cylinder wall friction for maximum durability and power.

• Engine Compatibility: Nissan 3.8L VR38DETT
• Piston Series: Platinum Series
• Piston Style: Flat Top
• Stroke: 88.4mm
• Grade: 3
• Material: Forged 2618 Alloy
• Wrist Pin: Premium Chrome Moly (standard)
• Includes: Single piston, wrist pin, and piston rings
• Optimized ring lands and grooves for superior compression seal

Fits Nissan GT-R models equipped with the 3.8L VR38DETT engine.

Manley Platinum Series pistons are engineered to withstand the extreme cylinder pressures of high-output VR38DETT builds. Forged from domestic 2618 aluminum alloy, these pistons feature a flat-top design and Grade 2 sizing for precise cylinder matching. Each piston undergoes Manley's unique single-operation machining process for the skirt and ring grooves, ensuring absolute squareness for superior ring seal and maximum power delivery.

• Engineered for 88.4mm stroke VR38DETT applications
• Forged from high-strength domestic 2618 aluminum alloy
• Flat top design with Grade 2 sizing
• Includes premium Chrome Moly wrist pin and high-performance ring set
• Moly-coated skirts reduce friction and protect cylinder walls
• Precision-machined cam and barrel profiles for optimal stability
• Single-operation machining ensures perfect ring groove to skirt squareness

Fits Nissan GT-R (3.8L). This Manley Platinum Series Extreme Duty single piston is engineered for the high-cylinder pressures of the VR38DETT engine. Forged from domestic 2618 aluminum alloy, these pistons provide the structural integrity required for high-boost, high-horsepower builds. Each piston is manufactured using a unique fixturing process that machines the skirt and ring grooves in a single operation, ensuring ultimate squareness for a superior ring seal and maximum power production.

• Forged from high-strength domestic 2618 aluminum alloy
• 95.5mm bore and 88.4mm stroke specifications
• Extreme Duty construction for high-output racing applications
• Single-operation machining ensures perfect ring groove to skirt squareness
• Exacting ring land tolerances for enhanced compression seal
• Cam and barrel skirt profiles designed to be gentle on cylinder walls
• Includes premium chrome moly wrist pin and high-performance piston rings

Fits Nissan GT-R models equipped with the 3.8L VR38DETT engine.

Manley Platinum Series Extreme Duty pistons are engineered specifically for high-horsepower Nissan VR38DETT builds. Forged from domestic 2618 aluminum alloy, these Grade 2 flat top pistons are designed to maintain structural integrity under the extreme cylinder pressures of forced induction. Each piston features a 95.5mm bore and utilizes Manley's signature cam and barrel skirt profiles to minimize cylinder wall wear while maximizing power delivery.

Construction quality is ensured through a unique fixturing process that allows skirt turning and ring groove machining to be completed in a single operation. This precision manufacturing results in ultimate squareness between the ring groove and the skirt, providing a superior ring seal. Included with this set are premium Chrome Moly wrist pins and high-performance piston rings to complete the assembly.

• Forged from high-strength domestic 2618 aluminum alloy
• 95.5mm bore diameter with flat top Grade 2 profile
• Precision-machined ring lands and grooves for optimal sealing
• Includes premium Chrome Moly wrist pins and ring set
• Moly skirt coatings applied to select part numbers for reduced friction
• Single-operation machining ensures perfect ring-groove-to-skirt squareness

Manley Performance piston ring sets are engineered for engine builders who require precise sealing and long-term durability. This specific set is designed for 99.75mm bore applications, providing a reliable barrier to maintain compression and control oil consumption in high-performance environments.

• Bore Size: 99.75mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 2.0mm
• Quantity: Set for 4 pistons
• Standard configuration includes high-performance ductile iron or premium steel top rings
• Often utilizes Napier-style second rings for superior oil control
• Three-piece oil ring design for consistent tension and scraping

These rings are manufactured to strict tolerances to ensure compatibility with Manley pistons and other performance applications. By utilizing specialized materials like plasma-moly inlays or ductile iron, these sets provide the thermal stability needed for forced induction, nitrous, or high-RPM naturally aspirated builds.

Engineered for high-performance builds, this Manley Piston Ring Set is precision-machined to provide a superior combustion seal and consistent oil control. This specific configuration is designed for a 99.75mm bore, making it an essential component for engine builders looking to maintain tight tolerances and maximize cylinder pressure.

This single-piston set includes a 1.2mm top ring, a 1.2mm second ring, and a 2.0mm oil ring. Manley rings are known for their durability and thermal stability, ensuring they withstand the stresses of high-RPM operation. Whether you are performing a fresh install or replacing a worn set in a high-horsepower application, these rings deliver the seating speed and longevity required for competitive engines.

• Bore Size: 99.75mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 2.0mm
• Configuration: Single Piston Set
• Provides excellent cylinder wall conformability for improved ring seal

Fits 2004+ Subaru WRX STI models with a 99.50mm standard bore size.

Manley Performance piston rings are engineered to provide a high-strength, reliable seal for high-performance Subaru EJ-series builds. This specific set features a 1.2mm ring thickness and a double-tabbed design, which prevents ring rotation and maintains proper orientation under the extreme cylinder pressures common in turbocharged engines. Whether you are performing a factory-spec refresh or a high-horsepower forced induction build, these rings offer the durability and oil control required for demanding applications.

• Designed for 99.50mm standard bore blocks
• 1.2mm ring thickness for precise cylinder wall sealing
• Double-tabbed configuration for improved ring stability and index retention
• Includes Napier-style second rings for superior oil scraping and control
• Ductile iron construction with plasma-moly inlay for long-term wear resistance
• Complete set of four ring packs for a full engine assembly

Fits 2004-2024 Subaru WRX STI with standard 99.50mm bore engines.

Manley Performance piston rings are engineered for high-performance EJ25 builds where precise cylinder sealing and consistent oil control are mandatory. This ring pack is specifically designed to handle the increased cylinder pressures of forced induction applications, featuring a 1.2mm thickness and a double-tabbed configuration. The double-tabbed design provides enhanced stability within the piston groove, preventing unwanted ring rotation and ensuring a reliable seal during high-RPM operation.

• Bore Size: 99.50mm (Standard)
• Ring Thickness: 1.2mm
• Configuration: Double Tabbed for increased stability and seating
• Material: High-strength construction for forced induction and high-horsepower reliability
• Compatibility: Designed for Manley Performance pistons in Subaru EJ25 engines

Fits 2009-2024 Nissan GT-R models equipped with the VR38DETT 3.8L engine.

This Manley Performance piston ring set is engineered for 95.5mm bore applications, providing a precise seal for high-performance VR38DETT builds. This "Single Ring" package includes the specific rings required for one piston, allowing for targeted replacement or custom engine configurations. These rings are designed to maintain structural integrity and sealing performance under the high cylinder pressures common in turbocharged applications.

• Bore Diameter: 95.5mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 3.0mm
• Quantity: Set for one (1) piston
• Compatibility: Nissan VR38DETT 3.8L engines

Manley standard sets typically utilize high-performance ductile iron top rings with a plasma-moly inlay for superior wear resistance and thermal stability. The secondary rings are engineered to optimize oil control and combustion pressure management, ensuring your engine maintains consistent compression and minimal blow-by.

Designed for high-performance engine builds, this Manley Performance piston ring set fits Subaru EJ205 and EJ257 engines with a 92.5mm bore. These are file-fit rings, providing the extra material necessary for builders to hand-gap each ring to exact tolerances—a critical step for high-boost or nitrous applications where thermal expansion requires precise end-gap management for a reliable seal.

• Bore Size: 92.5mm
• Top Ring: 1.2mm
• Second Ring: 1.2mm
• Oil Ring: 2.8mm
• Fitment Type: File Fit
• Application: Subaru EJ205 (WRX) and EJ257 (STI)
• Quantity: Complete set for 4 pistons

Engineered to withstand the intense cylinder pressures of the Subaru boxer platform, these rings offer superior oil control and compression sealing. Whether you are performing a standard refresh or a high-horsepower build, Manley piston rings provide the durability and material integrity required for forced induction environments.

This Manley Performance piston ring set is engineered for Subaru EJ205 and EJ257 engines, specifically found in WRX and WRX STI models. Designed for a 92.0mm bore, these rings feature a "File Fit" design, allowing engine builders to achieve exact end-gap tolerances for optimal cylinder sealing and blow-by control in high-performance applications.

Constructed to handle the thermal loads of turbocharged flat-four engines, this set provides a comprehensive solution for four-cylinder builds. The file-fit nature ensures you can customize the gap to suit your specific boost levels and application requirements, whether for a spirited street build or a dedicated competition engine.

• Engine Fitment: Subaru EJ205 (WRX) and EJ257 (WRX STI)
• Bore Size: 92.0mm
• Ring Dimensions: 1.2mm Top, 1.2mm Second, 2.8mm Oil
• Fitment Style: File Fit for precise end-gap adjustment
• Quantity: Complete set for 4 pistons
• Configuration: Set includes top rings, second rings, and 3-piece oil rings

Engineered for high-performance MazdaSpeed 3 builds, this Manley Performance ring set is designed specifically for 88mm bore pistons. These rings are built to withstand the extreme cylinder pressures and heat common in turbocharged MZR DISI engines, providing a reliable seal and superior oil control.

The set features high-performance ductile iron top rings with a plasma-moly inlay for exceptional wear resistance and seating. For the second ring, Manley utilizes a reverse twist cast iron taper face or a Napier-style design to maximize oil scraping efficiency. Each kit includes high-tension 3-piece oil rings to ensure proper lubrication and drainage during high-RPM operation.

• Fits MazdaSpeed 3 with 88mm bore pistons
• Set of 4 (Complete engine set)
• High-strength ductile iron top rings with plasma-moly inlay
• Reverse twist cast iron taper face or Napier-style second rings
• High-efficiency 3-piece oil ring assemblies
• Ideal for forced induction and high-horsepower applications

This Manley Performance piston ring set is engineered specifically for MazdaSpeed 3 engines equipped with 88mm bore pistons. These rings provide a precision-engineered seal for the combustion chamber, ensuring maximum compression and durability for high-performance builds. Whether you are performing a standard refresh or a high-horsepower build, Manley rings are designed to handle the increased cylinder pressures found in forced induction applications.

Manley ring sets utilize high-performance materials and profiles to optimize engine efficiency. These sets typically feature ductile iron top rings with a plasma-moly inlay for superior heat resistance, alongside Napier-style or reverse-twist taper face second rings for advanced oil scraping. Each set is finished with a three-piece oil ring assembly to maintain a consistent lubrication film on the cylinder walls.

• Bore Size: 88mm
• Application: Mazda MazdaSpeed 3
• Top Ring Material: High-performance ductile iron with plasma-moly inlay
• Second Ring Style: Napier-style or taper face for superior oil control
• Oil Ring: High-tension 3-piece assembly
• Ideal for forced induction and high-output engine configurations

This Manley Performance 87.5mm File Fit piston ring set is engineered for precision engine builds requiring exact end-gap clearances. By providing oversized rings that must be filed to spec, Manley allows the builder to set tight, consistent tolerances tailored to specific combustion temperatures and power levels.

This set features a 1.2mm top ring and 1.2mm second ring paired with a 2.8mm three-piece oil ring. The standard tension oil ring provides 7-11 lbs of pressure, ensuring reliable lubrication control and cylinder wall oil scavenging for high-performance street and track applications. These rings are designed to provide a durable seal under high cylinder pressures while minimizing parasitic drag.

• Bore Size: 87.5mm
• Top Ring: 1.2mm
• Second Ring: 1.2mm
• Oil Ring: 2.8mm
• Oil Ring Tension: Standard (7-11 lbs)
• Fitment Style: File Fit
• Application: Single cylinder ring set

Fits 2013-2023 Subaru BRZ and 2015-2023 Subaru WRX models equipped with the FA20 engine.

Engineered for a precision seal and long-term durability, this Manley Performance piston ring set is designed specifically for 86mm bore FA20 engine builds. This set provides a complete solution for four pistons, featuring a high-performance material stack designed to handle the thermal and mechanical loads of the Subaru boxer platform.

These conventional style sets utilize high-performance ductile iron top rings with a plasma-moly inlay for rapid seating and excellent wear resistance. The Napier-style second rings provide superior oil control by effectively scraping excess oil from the cylinder wall, while the three-piece oil ring assembly ensures consistent lubrication and tension. Whether you are performing a standard refresh or a high-performance rebuild, these rings provide the tolerances required for optimal engine compression and longevity.

• Bore Size: 86mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.5mm
• Oil Ring Thickness: 3.0mm
• Top Ring Material: Ductile iron with plasma-moly inlay
• Second Ring Style: Napier-style taper face
• Oil Ring Construction: 3-piece design
• Quantity: Complete set for 4 pistons

Fits 2002-2006 Acura RSX with K20A, K20A2, and K20A3 DOHC VTEC engines, as well as select Mitsubishi applications.

Manley Performance piston rings are engineered to provide a superior combustion seal and long-term durability in high-performance environments. This ring set is designed for engine builders who require precise oil control and pressure management. Conventional sets utilize high-performance ductile iron top rings with a plasma-moly inlay for reduced friction and increased heat resistance. The inclusion of a Napier-style second ring ensures superior oil scraping compared to standard taper-faced rings, preventing oil migration into the combustion chamber.

• Ductile iron top rings with plasma-moly inlay for high-heat durability
• Napier-style second rings for optimized oil control and cylinder wall scavenging
• Three-piece oil ring design for consistent tension and sealing
• Engineered for naturally aspirated, high-horsepower, and forced induction builds
• Compatible with K20-series DOHC VTEC engines and various Mitsubishi platforms

Fits 1990-1999 Mitsubishi 4G63 and 4G63T engines found in the Eclipse, Galant VR-4, and Eagle Talon.

This Manley Performance standard piston ring is designed for precision maintenance and individual cylinder repairs in 4G63 engine builds. Engineered as a direct replacement part, this single ring provides the reliable sealing required to maintain compression and oil control. Part of Manley's conventional high-performance series, these rings are crafted to withstand the thermal and mechanical stresses of high-revving turbocharged applications.

• Designed for 1990-1999 Mitsubishi 4G63/4G63T engines
• High-performance ductile iron construction
• Plasma-moly inlay for superior heat resistance and reduced cylinder wall friction
• Ideal for standard bore or specific file-fit applications (verify bore size)
• Sold individually (Single Ring Only)

This Manley single-cylinder piston ring set is engineered for 84mm bore applications requiring specific ring groove clearances. Designed for precision sealing and heat dissipation, this set provides a direct replacement or service solution for performance engine builds utilizing 1.2mm top and second rings alongside a 2.8mm oil ring.

• Bore Size: 84mm
• Top Ring Width: 1.2mm
• Second Ring Width: 1.2mm
• Oil Ring Width: 2.8mm
• Quantity: Single cylinder set (includes top, second, and oil control rings)
• Engine Application: Compatible with Manley performance pistons and 84mm bore blocks

Manley rings are manufactured to maintain tight tolerances, reducing blow-by and ensuring consistent cylinder compression. Depending on the specific series, these may include Napier-style second rings for improved oil scraping or plasma-moly inlays for reduced friction and increased durability in high-load environments.

Fits Ford 5.0L DOHC 4-valve engines with a 3.7in bore (5.0L).

Manley Premium Steel top ring sets are engineered for high-performance builds where standard rings might fail under extreme stress. These rings are specifically optimized for high-horsepower applications, including forced induction and nitrous oxide builds, providing a reliable and durable combustion seal under elevated cylinder pressures. Each set includes Napier-style second rings to enhance oil control and scraping efficiency.

• Premium Steel top rings designed for maximum durability in high-boost or nitrous engines
• Napier-style second rings included for superior oil management
• Three-piece oil ring assembly for consistent lubrication control
• Precision engineered for 3.700-inch bore diameters
• Compatible with Ford 5.0L DOHC 4-valve cylinder heads and piston configurations
• Ideal for high-stress racing and street-performance engine builds

Engineered for the Ford Cyclone 3.7L engine, these Manley piston rings provide a precision seal for high-performance builds. This set is designed for a 3.662in bore and features specialized ring widths to minimize friction while maximizing cylinder pressure retention. Whether you are performing a standard rebuild or prepping a high-horsepower application, Manley’s advanced metallurgy ensures consistent performance across varying thermal loads.

• Top Ring: 1.2mm width, featuring ductile iron with plasma-moly inlay for heat resistance and durability.
• Second Ring: 1.5mm width, utilizing a Napier-style taper face for superior oil scraping and control.
• Oil Ring: 3.0mm width 3-piece assembly for consistent lubrication management.
• Compatibility: Specific to Ford Cyclone 3.7L engines with a 3.662in bore size.

These conventional-style sets utilize high-performance materials to replace worn factory rings or complete a custom piston installation. The inclusion of Napier-style second rings as a standard feature helps reduce oil consumption and improves power output by maintaining a cleaner combustion environment.

Fits Ford Cyclone 3.7L engines with a 3.760in bore. These Manley Performance piston rings are engineered to provide a precision seal for high-output engine builds, ensuring reliable compression and oil control under demanding conditions.

• Specifically designed for Ford Cyclone 3.7L engine applications.
• 3.760in bore size with 1.2mm x 1.5mm x 2.5mm ring widths.
• Features Napier-style second rings for superior oil scraping and improved cylinder pressure retention.
• Premium Steel top ring options available for high-horsepower, forced induction, or nitrous-fed applications.
• Conventional sets utilize high-performance ductile iron top rings with a plasma-moly inlay for durability.
• Standard 3-piece oil ring design ensures consistent cylinder wall lubrication and heat transfer.
• Engineered for precise file-fit installation to achieve exact end-gap tolerances.

Fits Ford Coyote 5.0L DOHC 4-Valve engines.

Manley Premium Steel top ring sets are engineered specifically for the extreme cylinder pressures found in high-horsepower, forced induction, and nitrous-fed engines. These steel top rings provide superior fatigue resistance and tensile strength compared to standard ductile iron, ensuring a reliable combustion seal under heavy thermal loads. Every Premium Steel set includes Napier-style second rings as standard, which provide more efficient oil scraping and improved pressure management compared to traditional taper-face rings.

• Designed for Ford Coyote 5.0L DOHC 4-Valve applications
• Optimized for 3.635in and 3.640in bore sizes
• Premium Steel top rings ideal for turbo, supercharged, or nitrous builds
• Includes high-performance Napier-style second rings
• High-tensile material construction for maximum durability and ring land protection

Manley Premium Steel top ring sets are engineered for high-stress environments, providing the durability and sealing capabilities required for high-horsepower Ford 5.0L DOHC (4-Valve) engines. These ring sets are specifically optimized for forced induction and nitrous applications where standard ductile iron rings often face fatigue or failure.

By utilizing high-strength steel for the top compression ring, Manley ensures a superior seal that maintains integrity under extreme cylinder pressures. This set also features a Napier-style second ring as standard, offering improved oil scraping performance and reduced friction compared to conventional taper-face rings. Whether you are building a boosted street engine or a dedicated drag racer, these rings provide the mechanical reliability needed for 3.630in and 3.635in bore applications.

• Designed for Ford 5.0L DOHC 4V engines (5.0L)
• Premium Steel top ring material for maximum heat and pressure resistance
• Includes Napier-style second rings for enhanced oil control
• Ideal for high-horsepower, turbo, supercharged, and nitrous builds
• Available for 3.630in and 3.635in bore sizes
• Reliable engine sealing for performance and longevity

Fits Ford Mustang Shelby GT500 (5.8L).

Manley Premium Steel top piston ring sets are engineered for high-output engine builds that demand a superior seal under extreme cylinder pressures. Specifically designed for high-horsepower, forced induction, and nitrous applications, these rings provide the durability required when conventional ductile iron reaches its limits. This set features a 3.681-inch bore size with a 1.5mm steel top ring and a Napier-style second ring for enhanced oil control and consistent performance.

• Bore Size: 3.681in
• Top Ring: 1.5mm Premium Steel (STL) for maximum heat and pressure resistance
• Second Ring: Napier-style taper face for superior oil scraping and seal
• Oil Ring: 3.0mm 3-piece assembly
• Application: Optimized for high-performance 5.8L Ford Mustang Shelby GT500 builds
• Set Count: Complete set of 8 for a full engine refresh

Fits Ford 4.6L and 5.4L modular engines.

Manley Performance Premium Steel top ring sets are engineered for high-output engine builds, specifically those utilizing forced induction or nitrous oxide. These rings provide the superior heat resistance and structural integrity required to maintain a reliable combustion seal under extreme cylinder pressures where standard ductile iron might fail.

• Premium Steel top rings optimized for high horsepower and boosted applications.
• Includes Napier-style second rings as standard for improved oil scraping and superior oil control.
• Three-piece oil ring assembly ensures consistent lubrication and tension.
• Designed for precision file-fitting to achieve exact end-gap clearances for your specific build.
• Engineered to provide a durable, long-lasting seal in high-performance environments.

Fits Ford 4.6L and 5.4L SOHC/DOHC 2 and 4-valve engines (4.6L / 5.4L).

Designed for high-performance builds, these Manley Premium Steel Top Ring sets are engineered to handle the extreme cylinder pressures of high-horsepower, forced induction, and nitrous-assisted applications. These rings provide a superior seal compared to standard ductile iron alternatives, ensuring maximum power and longevity in demanding environments.

Every set includes Napier-style second rings as standard. This specialized hook-shaped profile provides more efficient oil scraping than traditional taper-face rings, reducing oil consumption and improving overall engine health. These sets are completed with a high-quality three-piece oil ring assembly for consistent tension and lubrication management.

• Premium steel top rings optimized for boost and nitrous applications
• Napier-style second rings for superior oil control and scraping efficiency
• Three-piece oil ring design maintains consistent cylinder wall tension
• Engineered for 2-valve and 4-valve Ford modular engine builds
• Ideal for heavy-duty street and competitive racing use