FS: Used 3r heads
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They are the third revision of the four valve head, came out in 88 I think, they are the thick deck heads that need the longer bolts, good stuff.
I think they stayed until the GTS came out, those are 4R heads and have steam holes.
None of this is gospel from me.
I think they stayed until the GTS came out, those are 4R heads and have steam holes.
None of this is gospel from me.
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The normal 5 liter hybrid has 16 valve heads on a 32 valve block.....so 32 valve heads on a 16 valve block ? stud spacing is the same might need different length on a few. Plus pistons need valve reliefs to match the valve layout
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