RUCC has a Stage IV Backbone chassis kit ready for delivery.

Please contact RUCC directly. RUCC is not affiliated with this site
Stage IV Kit 21,924.00
It is in Blue Gelcoat NC
IRS 1,583.56
Coil-over front shocks 249.71
Ceramic coated sidepipes 378.00
Light cut out package 87.50
Windshield slot cut outs 52.00
Gas cap hole cut out 35.00
Roll bar holes cut out 52.50
Total 24,362.47
This has to be sold with the Blue Gelcoat, IRS and coil-over shocks
Besides these items you can still add and delete so you can have what you want.

This is priced without wheels and tires.