MAHLE 8750MS-12 Performance Piston Ring Set Bore - 87.50mm 1.2/1.2/2.8mm

The MAHLE 8750MS-12 Performance Piston Ring Set is engineered for high-performance applications requiring an 87.50mm (3.445 inch) bore diameter. This sport compact ring set features advanced ring configurations designed to minimize friction while maintaining superior sealing and durability in demanding engine builds.

Key Specifications:

• Bore Size: 87.50mm (3.445 inches)
• Top Ring Width: 1.2mm steel nitrided construction
• Second Ring Width: 1.2mm reverse cast iron design
• Oil Ring Width: 2.8mm standard tension oil control
• Configuration: Drop-in installation, no file-fit required
• Application: 4-cylinder engine sets

Performance Features:

• Steel nitrided top ring for increased durability and scuff resistance
• Reverse cast iron second ring for improved sealing characteristics
• Standard tension oil control rings for reliable oil management
• Precision-engineered using advanced piston ring simulation technology
• Optimized for reduced friction and increased horsepower

MAHLE Motorsport piston rings are developed using cutting-edge computer simulation tools to create rings that deliver measurable performance gains. Part of MAHLE's extensive sport compact ring lineup, these rings are available in bore sizes ranging from 81-100mm, providing solutions for a wide variety of performance engine builds. Sold as a complete set for one 4-cylinder engine.