GMPP 1.6 RR's

This secion on tuning is writen by the users of the Turbo SS site.
If you have any tuning tips or questions please E-mail them to me.
Cost:$299 Thru Dal
General Motors Preformance Roller Rockers
Install: Install like all other rockers

Note: Lt-4 for aluminum heads or Crane 10309-1 springes needed for iron heads. I has been reported that these rockers have less flex and actual 1.65 lift.
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