Early classic Enterprises - Go to their site. The have all the packages to correctly lower your truck. I have had good success with their products. Also, they have stance photos and great tech tip articles in detail, if you browse their site.
NO I DON'T WORK FOR THEM.

CLICK HERE TO CHECK THEM OUT

Joe - (Buckeye Bowtie)
"Remember it takes about 2850 bolts to built a Chevy Truck and only 1 NUT to scatter them all over the highway"

1950 3100
1971 C-10
1939 Buick Century