Try Jim Morrow in New Mexico. He's very knowledgeable and he has several Patrols that he is parting out. he's at: [email protected] or call him at 505-455-3567
Try MSD Ignitions in El Paso Texas. 915-855-7123 They are less expensive then Jacobs and don't try to sell you and Ingnition for a 800hp 10000rpm go getter.
Make your own shackles or talk to your local machine shop , I've talked to a couple of manufactures and they don't want to bother with just a couple of sets. They also have a problem with the bolts being threaded into the shackel.
Read the Message Board/ Parts Web Links and Parts for Sale/Trade right here at NPCA
GARY