I did try to do search on Goggles.com and even GMGoodwrench for the LS1 Block cast# and can't find solve. I got have LS1 Block cast # 12559378 (it stamped on back of the drive side). Curious what kind of vehicle it come from ? 2002 year?
Cylinder head #241>>> Curious what kind of vehicle it come from ? 2002 year?
Cylinder head #241>>> Curious what kind of vehicle it come from ? 2002 year?
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