GM55T rear ends - The 1947 - Present Chevrolet & GMC Truck Message Board Network

fuelpump · 11-04-2007, 07:49 AM

Hi Guys,

I've got a 60 stepside but I thought you guys might know the answer to my questions over here. As I understand it 55 to 64 1/2 ton 2WD GM pickups came with a GM 55T rear end. I've got a 3.90 gear in mine and want to go to a better highway gear. I've found 3.37 gears but the cheapest price I've seen is $350 (plus a kit) from Randy's Ring and Pinion. I couldn't find any GM 55T gears on the Richmond web site. Are there any other ratios available or any cheaper prices around?? Thanks for any suggestions.

11-04-2007, 07:49 AM	#1
fuelpump Registered User Join Date: Sep 2007 Location: caro, mi Posts: 171	GM55T rear ends Hi Guys, I've got a 60 stepside but I thought you guys might know the answer to my questions over here. As I understand it 55 to 64 1/2 ton 2WD GM pickups came with a GM 55T rear end. I've got a 3.90 gear in mine and want to go to a better highway gear. I've found 3.37 gears but the cheapest price I've seen is $350 (plus a kit) from Randy's Ring and Pinion. I couldn't find any GM 55T gears on the Richmond web site. Are there any other ratios available or any cheaper prices around?? Thanks for any suggestions. Last edited by fuelpump; 11-04-2007 at 08:58 AM.

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