Ok, check this out:
http://www.dormanproducts.com/images...p1/2621001.jpg
keep in mind that this a photo probably of a 28 oz 1970 part.
1995 F150 5.8L is listed as Dorman #DORMAN Part # 594011 More Info {OE Solutions Solid; Externally Balanced Diameter 6-3/8" Width 4-1/8" Weight (lbs.) 7.25 Hollander # 309-326 Ford OE# E8TZ 6316-B #E8TZ6316B} or -- ATP Part # 102017 for {Harmonic Balancer #E8TZ6316B}
Windsor 351 Engine