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The Mahle drop-in piston ring set for a 4.155 in bore includes 1.0 mm top and second rings with a 2.0 mm oil ring. These direct-fit drop-in rings are designed for engine rebuilds or piston replacements to restore compression and control oil. Confirm the 4.155" bore and the slimmer 1.0/1.0/2.0 mm ring configuration to achieve correct ring gaps and a straightforward installation.
Mahle MS 4.155in 1.0mm 1.0mm 2.0mm Drop In Rings
