Two Rear Hatch Liftgate Gas Charged Lift Supports For 02-06 Chevy Trailblazer EXT, 02-06 GMC Envoy XL, Isuzu Acender Limited. Long Wheel Base With 3rd Row Seat Models Only XL/EXT. WGS-162-2 Unlimited 3 Year Warranty Lifetime Warranty on all Components OEM Quality Replacement Individually Tested For Performance and Reliability Note: For Long Wheel Base XL or EXT Models With 3rd Row Seats