Mick1988
W.A. Cruise Moderator
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Hi I'm looking to install the ultra high ratio (1.98:1) roller rocker package to my Ecotec V6 in the coming months.
Do these ultra high ratio roller rockers require anything else to be changed at all (valve springs, push rods, valve covers ect ect ect)????
Do these ultra high ratio roller rockers require anything else to be changed at all (valve springs, push rods, valve covers ect ect ect)????