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Yella Terra Ultra Lite Roller Rockers, 1.8 (GM LS7)
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Yella Terra Ultra Lite Roller Rockers, 1.8 (GM LS7)
[YT6670]

If you're not going to do the trunnion upgrade and want a roller tip, then get these instead. I think the Z06 heads already flow really nice and roller tips will actually let you jump to the higher rpms a lot quicker.
reviewed on 09/16/2013 by Roger L
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