50% weld-on / 50% bolt-on - universal application for all cars, trucks and SUV's. 90 degree range of motion. Bolt on hinge, with weld on reinforcements. Stainless Pressed Hinge Pin - Precision Anti Seize Stainless Hardware - Rust Free Low Profile Look Easy Ingress and Degress Because of Single Stage Action - Even Kids Can Use It Only Hinge that Connects to Vehicles Crash Protection Bars for Ultimate Strength SMC Fiberglass Transition Pieces for Smooth Transition Between Hinge and A Pillar Compatible with Facoty Latch and Optional Additional Latches Retains Factory Seals, Electronics, Safety Door Will Open Automatically When Proper Shock is Selected GT Factory Offers a Variety of Lift Forces to Tune the DoorÔÇÖs Operation, and Give it the Look and Feel You Want Step by step picture instructions on CD. Kit includes all shocks, mounts and hardware. Lifetime warranty Industry leading technical support.