C30 Leaf Spring Shackle
 

Anyone know of a source for a new pair of leaf spring shackles for my 66 C30? Not trying to lower it, just want stock height if I can find them, but I will go with a lowering shackle if I have to.

Re: C30 Leaf Spring Shackle
 

aerotruk63 helped me out with this a month ago, here is some good info:
Group 7.523 SHACKLE, REAR SPRING
2...3896376...55-68 K10-K910-K20-K920-C30-C930....INCLUDES BUSHING
/SUPERCEDES 3725531/ ( means old part # )
930 is Canadian built GMC.

http://www.parts123.com/index/google...HG-3896376.htm

http://www.autopartsobsolete.com/193...s-3725531.html

http://www.collectorsautosupply.com/...ar=36&section=

http://www.nosgm.com/query.asp?secti...+and+GMC+Truck

https://www.mail-archive.com/old-che.../msg01101.html

Took the casting number from the picture. 3656670
Does yours have a casting number?

http://www.nosgm.com/query.asp?secti...+and+GMC+Truck

http://g503.com/forums/viewtopic.php?f=25&t=238886

http://www.bizrate.com/gm-1951-gmc-t...610722859/shop

Re: C30 Leaf Spring Shackle
 

more:

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http://www.ebay.com/itm/NOS-41-67-Ch...mtr&rmvSB=true

http://www.ebay.com/itm/Dealership-N...mtr&rmvSB=true

http://www.ebay.com/itm/NOS-GM-REAR-...mtr&rmvSB=true

http://www.ebay.com/itm/Chevrolet-Tr...xp=&rmvSB=true