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**Captainfab** · 08-20-2010, 11:01 PM

You would want to use a steering box from a '81-'87 C10, C20 or the '88-'91 V1500, V2500. Those will have the correct metric with O-ring fittings to match up with the pump on your 2003 5.3.

08-20-2010, 11:01 PM	#68
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,246	Re: Power Steering Adapter Plates You would want to use a steering box from a '81-'87 C10, C20 or the '88-'91 V1500, V2500. Those will have the correct metric with O-ring fittings to match up with the pump on your 2003 5.3. __________________ 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