MAHLE Motorsport 4.240-4.255 2mm Oil Rail Support Ring - 1977167

MAHLE Motorsport 1977167 is a universal engine piston oil rail support ring designed for piston ring installation, engine assembly, and rebuild service. This 2mm support rail fits 4.240" to 4.255" bore applications and helps support the oil ring package in compatible piston setups. Sold as a set for 1 cylinder, with 1 required per cylinder.

Key Features & Specs:

• Brand: MAHLE Motorsport
• Part Number: 1977167
• Product Type: Engine Piston Oil Rail Support Ring
• Bore Range: 4.240" - 4.255"
• Thickness: 2mm
• Quantity: Sold as a set for 1 cylinder
• Required Quantity: 1 per cylinder
• Application: Oil ring / piston ring support