This MAHLE plain piston ring set for 4.29 engines (1966–1967) applies OE-driven ring technology developed to reduce friction and ring mass while minimizing engine oil consumption. MAHLE rings focus on sealing efficiency and longer service life, reflecting current piston ring advances used to meet original-equipment requirements. It’s a straightforward replacement choice for engine rebuilds seeking dependable sealing performance.
Mahle Rings Cad 429 Eng 66-67 Plain Ring Set