RAMS Cylinder Head Address

GMGM 4.2 Inline 6

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  4.2L GM Trailblazer DOHC, SFI, ENVOY, TRAILBLAZER, RAINIER, ASENDER   

GM 4.2Casting #389BEI, 8424S,852572233,



8707207595
9960S





Front Cover 4.2

GM 4.2
Casting Number

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