Mahle MS 4.025in+.005in .043in .043in 3.0mm File Fit Rings

The Mahle 4030ML-043 is a set of performance series piston rings designed for an 8-cylinder engine. These rings feature a 4.045-inch bore size and a file-fit design with dimensions of 0.043 inches for the first and second rings and 3.0 mm for the oil ring.

Mahle Motorsports has a long history of powering champions, with their products used in a significant portion of automobiles worldwide. The company is a top automotive supplier and system provider, collaborating with nearly all automobile and engine manufacturers on various engine components. The knowledge gained from their racing heritage is transferred to their aftermarket products for retail, repair shops, and engine rebuilders.