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  1. TJ General Discussion
    Hi Everyone, Looking to get back into the jeep world, want to buy a 4.0L manual TJ. I've gathered up a bit of info on the 0331 heads, but I can't seem to find definitive info on which years are prone to piston skirt failures (if not all of them?). My understanding is I want to avoid 2000 and...
  2. Classifieds Archive
    Completely rebuilt cylinder head with new valves spring and guides. NO core charge. I will deliver locally for a small fee. This head replaces commonly cracked cylinder heads on all model Jeeps with a straight six motor. 4.0 L Also included is a new head gasket and complete gasket set for the...
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