What you are looking for is a drive shaft that is the right length and has the right u-joints. If either one is the right length you can get hybrid u-joints put in to use the tranny yoke and match up with the differential yoke when you get it balanced at the U-joint shop.
If neither is the right length you can find one at the junk yard that is. and then get the yoke from your tranny put on and a u-joint that matches the rear yoke.
That's what I did and it cost me about 100 with new u-joints and balancing a drive shaft I brought with me. While I was at the shop I found out that it would have cost me about the same to have them make one for me.
So, I'd call a driveshaft shop. Better still, call your regular mechanic and have him reccomend one to go to. The one the mechanics and dealers use is gonna be the best around for the right price.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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