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Elka Suspension 2.5 Reservoir Front Coil-Overs for 1.25-Inch Lift (22-26 Sierra 1500 AT4X w/ Aftermarket Upper Control Arms)Find parts that fit my vehicle
Item S571056
Product Information
Description, Q&A, Specs & Installation
Description
Increase the off-road capabilities while improving the comfort and handling of your truck
The 2.5 RESERVOIR shocks provide the optimal combination of:
Firm and stable handling for driving on desert and fire roads (sports car feeling);
Plush compliance while off-road driving over washboard;
Strong ramping effect for extra bottom-out protection over large dips and washes;
Maximum articulation and traction for rock climbing.
BENEFITS
High-performance off-road capabilities
Improved handling and comfort for casual driving
Better traction
Provides leveling capabilities for better weight distribution
Increased protection against bottoming-out
RIDE ENHANCEMENTS
Spring setup optimized for each setup
Better attenuation of vibration, leading to major noise reduction in the cabin (much less squeak and rattle)
Damping characteristics optimized for each truck and setup, providing a smoother ride
Increased comfort in both on road and off-road conditions, especially over washboard and square-edge impacts
More stable and more predictable handling
Reduced front-end diving when cornering or braking
Reduced rear-end bucking and lifting
Increased damping and spring rate for better handling when towing or loading truck
TECHNICAL FEATURES
Massive 2.5 in. (56mm) hard-anodized aluminum body for cooler operation
Big bore design with less restricted oil flow for increased responsiveness and less fading
Internal hydraulic valving optimized for each vehicle platform
Built from CNC-machined and forged aluminum parts, aluminum bodies and premium-quality internal components
External remote reservoir with low-friction floating piston (1:1 ratio vs. main piston) providing additional cooling
DOT high-flow reservoir hose
Heavy-duty 3/4 in. (19mm) induction-hardened shaft
Triple sealing system with dust wiper, high-pressure step-seal and premium quality o-ring
Direct, bolt-on replacement that uses stock shocks location
Proprietary ultra-low friction, light viscosity semi-synthetic oil blend, ultra-resistant to high operating temperature
Coilover models use Elka’s durable high-tensile alloy springs or Eibach springs (depending on model & configuration)
Fully rebuildable using affordable replacements parts and springs, multiple replacement valving shim stacks available
The 2.5 RESERVOIR model features an external reservoir with increased oil volume for cooler operating temperature, providing better performance and consistency. These shocks are a good performance upgrade over OEM shocks.
This configuration is for use exclusively with aftermarket lift kits or upper control arms to accommodate between 2 in. to 3 in. of lift.
Ride height is preset from our factory at approximately 2.5 in. of lift at the front for most setups, actual ride height may vary depending on wheels dimensions and lift kit or upper control arms used.
Package includes two (2) side-specific front shocks:
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Tech Specs
4.7
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