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updating heads

552 Views 2 Replies 3 Participants Last post by  Mikey6119
I found a good gt40 upper and lower along the heads on a 97 explorer, car is pretty stock, what should i put in the heads spring and rocker wise.
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There's a tfs spring kit specific for those heads and Proform make an affordable set of pedestal mounted rockers in both 1.6 and 1.7.
1 - 3 of 3 Posts
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