Land Rover part no. Here we have a full set of 020" (+0.5MM) rings for all 8 pistons for the 3.9 & 4.2 Rover V8. ROVER V8 3.9/4.2 020" RING SET FOR 8.13:1 & 9.35:1 COMPRESSION ENGINES. petrol engine as used in the Range Rover and Rover, Discovery, TVR, Defender and.
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