Thread: My 400 yz
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  #12  
Old 12-30-2021, 03:10 PM
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Kenth Kenth is offline
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Location: The Kingdom of Sweden
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ALL 1970 WS, YZ (RamAir III) and WT 4-bbl M/T engines uses #12 cylinder heads.

#13 cylinder heads was used on WX, XH (GP) and YS (A, F) engines.

FWIW

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