The Alston Kit Car 4-Link Kits was specially designed for kit cars. The 3/16" thick, double sheer chassis brackets are exceptionaly strong. The triangulated bars of the Alston Kit Car 4-Link Kits deliver extra lateral support. Five mounting holes in the brackets provide precise and instant center adjustment. These Kit Car 4-Link Kits are 20" in length, with an adjuster nut permanently attached. This kit includes housing brackets, chassis brackets, 4 link bars, and detailed instructions. Rod ends sold separately.