Small Block Full Length Header Options - Ground Clearance

Hi Everyone,has anyone used the Mopar Chrysler SB 318 340 360 Block Hugger Stainless Steel Exhaust Header, I found them on Ebay from speedmaster. I need to replace my headers on my 72 Duster 340(second time). included are some pictures.According to Esso's adjuster...my car sits to low..REALLY!!!