MAHLE Motorsport 4.165" 1.5/1.5/3.0mm File Fit Ring Set - 4165MS-15

MAHLE Motorsport 4165MS-15 is a file fit piston ring set for 4.160" bore applications with +0.005" sizing, creating a 4.165" file fit ring package. This set includes 1.5mm upper and lower compression rings with a 3.0mm oil control ring setup. Built for performance engine assembly, it is sold as a set of 8.

Key Features & Specs:

• Brand: MAHLE Motorsport
• Part Number: 4165MS-15
• Product Type: File Fit Piston Ring Set
• Bore Size: 4.160" + 0.005" / 105.664mm
• File Fit: Yes
• Ring Package: 1.5mm / 1.5mm / 3.0mm
• Upper Compression Ring: 1.5mm ductile iron with plasma moly coating
• Lower Compression Ring: 1.5mm cast iron with phosphate coating
• Oil Control Ring: 3.0mm chrome plated stainless steel
• Oil Ring Tension: Standard
• Quantity: Sold as a set of 8