I came across this site, check out what they have available....
"Body Dropless Chassis
KRZ Customs is excited to launch their newest “BODY DROPLESS CHASSIS” for 2003! Now you can get “body-dropped” without the cutting! Chassis are manufactured of 2x4 .120 wall rectangular tubing, and are profile bent and mandrel drawn. Internal cross members have exhaust cutouts, and Mustang II type front cross members. Full bumper-to-bumper chassis also include Mustang II rack and pinion steering , KRZ Customs upper and lower control arms, Are built using DOM tubing & tig welded. Chassis are currently available for the following models; '67-72 full-size Chevy's, '73-'87 full-size Chevy's, '88-'98 full-size, extra and short cab Chevy's, and last, but not least '99-present full-size, extra and short cab Chevy's."
http://www.krzcustoms.com/pages/product.htm
I will also post in Suspension section....