Seat Jackers™ – Comfort. Control. The Way It Should Be. Stock seats don’t fit everyone the same way. If your ride leaves you feeling stiff, cramped, or just off, Seat Jackers™ fix that. Made in the USA from premium materials, these seat spacers let you fine-tune your driving position by lifting the front and/or rear of your seat. The result? Better support, more comfort, and a seat that feels built just for you. No complicated installs. No gimmicks. Just a smarter way to make your seat work for you. ?? Dial in your perfect ride. Upgrade with Seat Jackers™ today. The Adjustable Seat Jackers® will lift the front of your front seats. The DDI kit is user adjustable in .5 (1/2) inch increments and will lift the front of your Driver or Passenger seat from .5 inches to 1 inches. These will help you find that reclined seating position that just isn't available in a stock GM SUV.Each Seat Jacker is CNC milled from billet aluminum with a 1.5 degree slope to ensure your seat remains planted and provides the perfect mounting surface.Whether you have power or manual seats, these will help you find that comfortable seating position that just isn't available in your new GM SUV. FITMENT 2021-2026 Chevrolet Suburban/Tahoe 2019-2026 Chevrolet Blazer 2021-2026 GMC Yukon/Yukon XL 2023-2026 Chevrolet Trax 2022-2026 GMC Hummer EV 2017-2026 GMC Acadia 2018-2024 GMC Terrain DETAILS AND FEATURES Installs to the front or rear of the driver or passenger seat Lifts FRONT of the seat by .5 Inches, or 1 Inches Installs in 10 Minutes with common hand tools Compatible with Manual or Power Seats Made from 6061 Aluminum Factory Grade M10 Class 10.9 Hardware Satin black powder coat finish Proudly Made In America Any modifications to your vehicle are done at your own risk. VIEW INSTALLATION INSTRUCTIONS