Action Auto Recyclers in Temple, Texas has a bunch of Mustang II stuff (they specialize in Mustangs, and literally have every year up to 2004 in back to pull parts off of... they've even got 7 or 8 IIs in the back, no V8 mounts, bellhousings, flywheels, or exhaust manifolds though) their website is:
http://www.mustangspecialist.com and their phone number is (254) 773-6201. I don't know if they'll work with you on shipping or not, check with them first, and if not PM me after you find out for sure they've got the parts you want and we can work something out because they're all of 5 miles from my house and I'm there all the time (at LEAST once a month!)
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1976 Ford Mustang II Ghia: 302 with a 600cfm Edelbrock carb, Edelbrock Performer 289 intake, Dynomax Blackjack headers, 2.5" exhaust with Flowmaster Super 44s. RJS 11-gallon fuel cell, C4
tranny, chrome 16" pony wheels, fuzzy dice, brown vinyl half-top, and painted in the tackiest color ever (harvest gold, that's why I call it "The Goldenrod").
Also have a 2003 Dodge Ram (lightly modded daily driver/tow rig/office/dining room/home away from home/workshop... I call it "The Big Blue Dawg".)