BOLT IN REAR SUSPENSION ?

Does anyone make a bolt in rear suspension ? Here is my dilemma. I am working in a small 1 bay garage with a 7 foot ceiling & no access to a welder. The size tire & rim I will be running I have to either put in a different type of suspension or move the leaf springs in. With all that said I am just tring to make thing easy for my self with the room & tools I have. A bolt in rear suspension would make things easy for me other than crawling around on the floor. LOL O have a 67 barracuda & I will be running a 17x 9.5 rim w/ 275/50/17 tire I am hoping I don't have to mini tub it. It looks like its going to be very close.