This Mahle Motorsport MS series piston set is engineered for high-output Subaru EJ20 and EJ207 engine builds. Designed to withstand increased cylinder pressures and thermal loads, these forged pistons provide the durability required for forced induction applications where reliability is paramount. Each piston is machined to precise tolerances to ensure optimal ring land stability and skirt profiles that reduce friction while maintaining a stable oil film.

This set is configured for a 92.50mm bore and is designed to work with a 79.0mm stroke and 130.4mm connecting rods. The inclusion of heavy-duty 23mm wrist pins ensures the assembly can handle the stresses of high-RPM and high-boost environments.

• Engine Compatibility: Subaru EJ20 / EJ207
• Bore Diameter: 92.50mm
• Stroke: 79.0mm
• Rod Length: 130.4mm
• Wrist Pin Diameter: 23mm
• Piston Volume: -16cc
• Compression Ratio: 8.0:1
• Quantity: Set of 4 pistons

Engineered for high-performance Duramax diesel applications, this Mahle MS (Motorsport) Piston Set is designed to withstand the extreme cylinder pressures and thermal loads of competition-grade builds. These pistons feature a 4.055-inch bore designed for use with the factory 3.898-inch stroke and 6.417-inch connecting rods. The -40.7cc bowl volume provides a 16.7:1 compression ratio, offering an ideal balance for forced induction diesel performance where durability is non-negotiable.

Every piston in this set is precision-machined to exact tolerances, featuring a 1.358-inch wrist pin diameter to ensure a secure fit and reliable power transfer. This complete set of eight provides the structural integrity required for heavy-duty racing or high-output street builds.

• Manufacturer: Mahle
• Series: MS (Motorsport)
• Bore Size: 4.055 in
• Stroke: 3.898 in
• Rod Length: 6.417 in
• Wrist Pin Diameter: 1.358 in
• Bowl Volume: -40.7 cc
• Compression Ratio: 16.7:1
• Quantity: Set of 8

Fits VW 2.0L TFSi (2.0L) engines.

This Mahle Motorsport (MS) piston set is engineered for high-performance engine builds where reliability and strength are paramount. Designed specifically for the VW 2.0L TFSi platform, these pistons are built to handle the increased thermal and mechanical stresses of high-output tuning and forced induction applications. Each piston is manufactured to Mahle's rigorous motorsport tolerances, ensuring precise fitment and consistent performance across all four cylinders.

• Bore Diameter: 83mm
• Stroke: 92.8mm
• Connecting Rod Length: 144mm
• Wrist Pin Diameter: 20mm
• Dish Volume: -11cc
• Compression Ratio: 9.3:1
• Quantity: Complete set of 4

This set provides a robust foundation for your bottom-end assembly, featuring the precise metallurgy and design characteristic of Mahle's racing heritage.

Mahle MS piston rings provide superior cylinder sealing and thermal stability for high-performance engine builds. Designed as a precision drop-in solution for 82.50mm bores, these rings are engineered to reduce friction while maintaining a tight seal against the cylinder wall to minimize blow-by and maximize compression.

• Bore Diameter: 82.50mm
• Top Ring Thickness: 1.0mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 2.8mm
• High-tensile steel construction for increased durability and fatigue resistance
• Optimized tension for improved oil control and reduced cylinder wall wear
• Precision-engineered for consistent performance under high cylinder pressures

This Mahle piston ring set is engineered to restore factory-level compression and oil control in Volkswagen TSI engines with an 83.0mm bore. Designed for a single cylinder, this set provides a direct replacement for worn or fatigued rings, ensuring a precise seal against the cylinder wall to maintain performance and engine efficiency.

Manufactured to exacting tolerances, Mahle rings utilize advanced materials and coatings to reduce friction and resist heat-cycling wear. This specific configuration features a 1.2mm top compression ring, a 1.5mm second compression ring, and a 2.0mm oil control ring, specifically matched to the piston groove requirements of the TSI platform.

• Bore Diameter: 83.0mm
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.5mm
• Oil Ring Thickness: 2.0mm
• Configuration: Set for 1 Cylinder
• Engine Application: Volkswagen TSI

Fits Audi RS3 and TT RS (2.5L) models. This Mahle MS Piston Set is engineered to meet the extreme demands of the Audi five-cylinder engine, providing the structural integrity required for high-output performance builds. Every piston is precision-machined to ensure exact tolerances for reliable ring sealing and thermal management.

• Bore Diameter: 82.50mm
• Compression Height: 29.6mm
• Stroke: 92.8mm
• Rod Length: 144mm
• Wrist Pin Diameter: 22mm
• Piston Volume: -5.0cc
• Weight: 322g per piston
• Compression Ratio: 10.0:1
• Manufacturer Series: M142P

This kit includes a complete set of five pistons with pins, specifically balanced for the 2.5L engine configuration.

This Mahle MS series piston ring set provides the precision and sealing required for high-performance engine builds. Designed for a 3.662-inch bore with a +.005-inch allowance, these file-fit rings allow the engine builder to set exact end-gap clearances for optimal combustion control and blow-by reduction.

• Bore Size: 3.662 inch (+.005 oversized for file-fitting)
• Top Ring Thickness: 1.0mm
• Second Ring Thickness: 1.0mm
• Oil Ring Thickness: 2.0mm
• Tension: Standard Tension
• Manufacturer Part Number: MS

Each set is engineered with Mahle's advanced metallurgy to maintain structural integrity under thermal stress while ensuring consistent oil control across the cylinder wall.

Fits BMW N54 B30 engines (3.0L).

Built for high-output BMW N54 B30 applications, these Mahle Motorsport (MS) pistons provide the structural integrity required for forced induction builds where factory cast pistons reach their limits. Engineered with a 31.7mm compression height and a lightweight 314g design, these pistons optimize rotating assembly mass without sacrificing the strength needed to handle increased boost and cylinder pressures.

• Bore Diameter: 84.00mm
• Compression Height (CH): 31.7mm
• Piston Volume: 17.2cc
• Weight: 314g
• Compression Ratio: 10.2:1
• Engine Fitment: BMW N54 B30 (3.0L)
• Quantity: Set of 6 pistons

Engineered for high-performance GM LT1 416ci stroker applications, this Mahle Motorsport (MS) piston set provides the precision and durability required for high-compression Gen V Small Block builds. These pistons are designed to handle the increased mechanical and thermal loads of performance driving while maintaining tight tolerances for optimal ring seal and power output.

This set is configured for a 4.070-inch bore and a 4.000-inch stroke, utilizing a 6.125-inch connecting rod and a .927-inch wrist pin. With a -6cc volume, they are optimized to reach a 12.1:1 compression ratio, making them ideal for aggressive naturally aspirated or high-response builds requiring a specific dome/relief profile.

• Bore: 4.070 in
• Stroke: 4.000 in
• Rod Length: 6.125 in
• Wrist Pin Diameter: 0.927 in
• Piston Volume: -6cc
• Compression Ratio: 12.1:1
• Quantity: Set of 8 pistons with pins
• Manufacturer Part Number: 930165370

Engineered for high-performance Small Block Ford (SBF) 304ci applications, this Mahle MS Series Piston Set delivers the precision and durability required for demanding engine builds. Designed to accommodate a 3.65-inch stroke and 5.933-inch rod length, these pistons are optimized for an 11.3:1 compression ratio to maximize power output and efficiency.

Each piston in this set of eight is manufactured to Mahle's exacting standards, ensuring consistent tolerances and reliable performance under high thermal and mechanical loads. This kit includes the necessary .866-inch pins for a complete installation on your SBF rotating assembly.

• Manufacturer Part Number: 930258040
• Bore: 3.640 in
• Stroke: 3.65 in
• Rod Length: 5.933 in
• Wrist Pin Diameter: .866 in
• Piston Volume: 3cc
• Compression Ratio: 11.3:1
• Quantity: Set of 8 pistons

Designed for high-performance Small Block Ford (SBF) 302ci applications, this Mahle Motorsport MS Piston Set delivers the precision and durability required for rigorous racing and street-performance builds. This complete set of eight pistons is engineered to accommodate a 3.65in stroke and 5.933in rod length, resulting in a 11.2:1 compression ratio with a 3cc volume.

• Forged construction provides superior strength-to-weight ratios for high-RPM stability.
• Precision-machined pin bores and ring grooves for optimal sealing and reduced friction.
• Includes high-quality 0.866in wrist pins for a complete installation.

Technical Specifications:

• Engine Compatibility: Small Block Ford 302ci
• Bore: 3.630 in
• Stroke: 3.65 in
• Rod Length: 5.933 in
• Wrist Pin Diameter: 0.866 in
• Piston Volume: 3cc
• Compression Ratio: 11.2:1
• Quantity: Set of 8
• Manufacturer Part Number: 930258030

This Mahle Motorsports (MS) Piston Set is engineered for high-performance GM LS engine builds displacing 428 cubic inches. These pistons are precision-machined to accommodate a 4.130-inch bore and a 4.000-inch stroke, specifically designed for use with a 6.067-inch rod length and a 0.927-inch wrist pin.

• Manufacturer Part Number: 930221530
• Bore: 4.130 in
• Stroke: 4.000 in
• Rod Length: 6.067 in
• Wrist Pin Diameter: 0.927 in
• Dome/Dish Volume: -3cc
• Compression Ratio: 12.2
• Quantity: Complete set of 8 pistons

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

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

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

Engineered for high-performance Ford 2.3L EcoBoost builds, this Mahle Motorsport MS Series Piston Set is designed to withstand the increased cylinder pressures of forced induction. These pistons are built to precise tolerances, providing the reliability required for both street and track applications using an 83mm stroke and 156mm connecting rods.

Each piston features a -7cc dish to achieve a 9.3:1 compression ratio, optimizing combustion for the 2.3L platform. As a complete set of four, they offer a direct-fit solution for enthusiasts looking to strengthen their rotating assembly without altering the factory 87.5mm bore size.

• Manufacturer Part Number: 197755345
• Engine Fitment: Ford 2.3L EcoBoost
• Bore Diameter: 87.5mm
• Stroke: 83mm
• Connecting Rod Length: 156mm
• Piston Volume: -7cc dish
• Compression Ratio: 9.3:1
• Quantity: Set of 4 pistons