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The Mahle piston kit for GM 604 crate engines includes drop-in pistons sized to 101.651mm; replacement rings are not included. Detailed dimensions are provided to support builders and engine shops completing eight-cylinder crate-engine assemblies. The kit supplies matched pistons for direct installation where exact piston sizing and fit are required for the 604 build.
Mahle Piston Kit, GM 604 Crate Engine Drop in forged. Replacement rings are not included. 101.651mm
