ReadyLIFT x Bilstein Performance Coilover Upgrade — 2007–2021 Toyota Tundra
Part No. 46-5780 • For ReadyLIFT 6" or 8" lift kits • 2WD/4WD • Excludes TRD Pro
Turn your big-lift Tundra into a truly dialed performer. The ReadyLIFT 46-5780 coilover kit is an exclusive, U.S.-built upgrade co-engineered with Bilstein and sprung by Eibach—purpose-tuned for trucks running larger, heavier off-road tires.
Why Upgrade
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Real performance, real control: Built on Bilstein’s 8125-series reservoir coilover tech (2.625" monotube) with custom valving developed over a year of joint testing.
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Designed for big lifts: Includes heavy-duty plate-steel upper mounts to integrate perfectly with ReadyLIFT 6" and 8" Tundra systems.
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Durable, rebuildable: Serviceable coilovers engineered for extreme terrain and long life.
Key Features
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Remote reservoir coilovers with ReadyLIFT-specific 90° fittings for clean hose routing and ideal canister placement
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3/4" bearing lower rod ends with proprietary high-misalignment spacers for strength and articulation
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Eibach ERO coils—application-specific rate, silver powder coat, and ReadyLIFT branding
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Maintains correct suspension geometry when paired with ReadyLIFT subframes/knuckles
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Tuned to control unsprung mass from large, heavy tires while preserving on-road manners
What’s Included
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(2) Bilstein reservoir coilover shocks (2.625" monotube)
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(2) Eibach ERO coil springs (application-specific rate)
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Heavy-duty upper coilover mounts & hardware
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Model-specific reservoir fittings/brackets
Fitment
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2007–2021 Toyota Tundra, 2WD/4WD
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Requires ReadyLIFT 6" or 8" big lift kit (e.g., 44-5677, 44-58770)
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Not compatible with TRD Pro (Bilstein coilover) models
Installer Notes
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Professional installation recommended
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Align and re-aim headlights after suspension work
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Rebuildable/serviceable coilovers for long-term performance
Want it installed and tuned for your wheel/tire setup? We’ll handle the full setup and alignment. Bundle with wheels & tires and save—IMM is Maui’s exclusive Fuel Wheels dealer.
