I got the new version of the shaftmaster with the thicker aluminum recently.
Supposed to have a higher critical speed, or whatever it's called.
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2007 Satin Silver V6 / Explorer Express X-Charger #67 - HiPo 2.8
MSD, JBA, FRPP GTA duals, Zabteck, J&M, Steeda, Tokico d-spec, H&R SS, Eibach, Shaftmasters, 8.8, t-lok, 3.73, OE Wheels Cobra R 18x9/10, Nitto 555 255/285
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