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**Captainfab** · 03-07-2018, 12:41 AM

Welcome to the forum

If you change to a SM465 you will need to change the bellhousing to a '68+ bellhousing to accommodate the larger 5.125" diameter front bearing retainer. Personally I would go with a NP205 transfer case instead of the T221.

03-07-2018, 12:41 AM	#2
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,254	Re: 62 gmc k20 Welcome to the forum If you change to a SM465 you will need to change the bellhousing to a '68+ bellhousing to accommodate the larger 5.125" diameter front bearing retainer. Personally I would go with a NP205 transfer case instead of the T221. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE