I was told this about both Vertical Doors and GT Factory. Most of the shops that installed the kits around here only work with those 2, because apparently theyre the best, but they still need to have struts replaced every so often.

Manufactures of vehicle specific direct-bolt on vertical car door conversion systems also known as Lambo Doors, Lambo Door Kits, Lambo Doors Conversion Kits, Lambo Door Hinges, Lambo Style Hinge Kits, LSD, VDC, VDI, VDC Kits, VLS, Scissor Doors, Wing

::GT FACTORY:: The Authority In Custom Door Conversions. Lambo, Suicide, Gullwing, Bolt On, Rear Lambo Door Kits.