- Dec 21, 2010
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i have a brand new never installed set of stage 1 XFI vsr(valve springs reguired)comp cams part #127100. they will fit the 3v 5.4 or 4.6 motors. more info here on comp cams website COMP Cams: (STAGE 1) XFI™ VSR, XE261H-14<BR>Excellent Upgrade over Stock. these cams retail at 755.00 new asking 450 shipped.