EXP Series shocks utilize a one-piece digressive piston design and are custom tuned for the 2019-2023 GM 1500 in conjunction with their stock front coil springs to maximize damping performance and provide unsurpassed ride quality, on and off-road. The increased piston size and shock oil volume provided by the 2.5-inch diameter aluminum body also provide superior heat dissipation compared to the smaller, steel bodied OE shocks, resulting in longer-lasting shock performance over prolonged use at higher speeds and through rougher terrain. For those who would like to further tune their suspension, EXP shocks are fully re-valvable (and rebuildable) by any qualified shock technician, with parts available from ICON.. EXP Series for the 2019-2023 GM 1500 is based on ICON’s proven 2.5-inch diameter Aluminum Series shock absorber, featuring a one-piece impact-extruded aluminum shock body. Hard anodizing provides a great-looking, consistent finish with superior resistance to abrasion and corrosion. The massive 7/8-inch diameter shaft is induction hardened and chrome plated. EXP shocks use the factory shaft-up orientation.. The 6061-billet aluminum coil spring seat is CNC machined to fit the truck’s OE coil springs. A series of snap-ring grooves machined into the shock body provide easily-selectable front-end ride height adjustment from 2.375” to 3.75" of lift over stock.. EXP Series shock absorbers by ICON combine the performance of a fully rebuildable 2.5-inch diameter premium shock absorber with the convenience and cost-benefits of re-using the vehicle’s factory coil spring and other components.. One-piece impact extruded aluminum hard anodized cylinders offer excellent corrosion resistance and consistent finish. Recommended Aftermarket Tires (Silverado 1500): 35"x12.50" (Minor fender trimming and modifications may be required). Recommended Aftermarket Tires (Sierra 1500): 34"x12.00" (Minor fender trimming and modifications may be required). APPLICATION NOTE #55: SHOCKS ARE FULLY SERVICEABLE. COILOVER HEIGHTS INDICATED ARE FOR A STOCK EQUIPPED VEHICLE. TECH NOTE: Models equipped with Duramax diesel engines will have front lift height range of 1.75-3" over stock. Adjustable ride heights from 2.375-3.75” of front lift over stock with the use of snap ring. Inverted shaft up design featuring 7/8” diameter, induction hardened, chrome plated shaft. TECH NOTE: EXP Coilovers are sold individually. A quantity of 2 are required per vehicle.. Recommended Aftermarket Wheels: ICON Alloys - 17x8.5 with 4.75” Backspace / 0mm Offset. Recommended Aftermarket Wheels: ICON Alloys - 18x9 with 5” Backspace / 0mm Offset. Recommended Aftermarket Wheels: ICON Alloys - 20x9 with 5” Backspace / 0mm Offset. TECH NOTE: Not compatible with models equipped with Adaptive Ride Control (ARC). TECH NOTE: Not compatible with Silverado 1500 Trail Boss or Sierra 1500 AT4. TECH NOTE: Not compatible with Silverado 1500 ZR2 or Sierra 1500 AT4X. APPLICATION NOTE #110: TRIMMING REQUIRED FOR RECOMMENDED TIRE SIZE. CNC machined 6061 aluminum components with a black anodize finish. PTFE lined bearings for extended longevity and minimal deflection. 100% Bolt-on - no cutting or welding necessary for installation. Vehicle specific design for the 2019-2023 GM 1500 trucks. 2.5 Aluminum Series Shock with Internal Reservoir. ICON 19-23 GM 1500 2.5 EXP Front Coilover Shock. 19-23 GM 1500 FRONT 2.5 EXP COILOVER. Coilover Spring and Shock Assembly. Fully rebuildable and re-tunable. OEM Wheels & Tires Fitment: Yes. Utilizes factory coils. EXP COILOVER. 71607

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