Mahle MS 4.135in+.005in .043in 1.5mm 3.0mm File Fit Rings - 4140MS-1115

Mahle MS 4.135in+.005in .043in 1.5mm 3.0mm File Fit Rings help you achieve precise engine compression and improved performance.

• Fits 4.135in bore with +.005in oversize for exact sealing
• Made from durable 4140 steel for long-lasting wear
• Includes 1.5mm and 3.0mm rings for flexible gap adjustment
• Compatible with Mahle MS-1115 piston rings for easy installation

Upgrade your engine’s efficiency today.