MAHLE 3010240 Plain Ring Set Bore Dykes Top Ring - 4.380 017

The MAHLE 3010240 Plain Ring Set is engineered for high-performance engine builds requiring a 4.380-inch bore diameter. This precision-manufactured piston ring set features Dykes-style top rings with a .017-inch profile, designed to provide superior sealing and reduced friction in demanding applications.

Key Features:

• 4.380-inch bore diameter for exact fitment
• .017-inch Dykes-style top rings for enhanced combustion sealing
• PC479 top ring configuration optimized for performance applications
• Plain ring design for reliable compression control
• Manufactured by MAHLE to OEM standards with premium materials

MAHLE piston rings are trusted by engine builders worldwide for their consistent quality and durability. The Dykes top ring design allows for better ring flutter control and improved sealing at high RPM, making this set ideal for racing and high-performance street engines. Each ring is precision-ground to exacting tolerances to ensure proper cylinder wall contact and oil control throughout the engine's operating range.