Chev LS GM Performance Gen IV 6.0 LY6 Cast Iron Engine Block # 12609999 19369841 Rate_20 Compression Ratio: 10
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Chev LS GM Performance Gen IV 6.0 LY6 Cast Iron Engine Block # 12609999 19369841 Rate_20 Compression Ratio: 10 Compression Ratio: 10 Electronic Distributor