http://www.hughesengines.com/Index/produ...mp;partid=30450

kit includes springs..retainer and locks...say no machining needed .550 lift coil bind @ .620.

Not sure about top of guide clearance.

Tony

70 AARCuda Vitamin C
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71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
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