Coachbuilder +1" Shackle Kit | .625" Rear Lift | Fits Toyota Tundra 2007–2021 Including TRD Pro | Ekstrom Design
Coachbuilder +1″ Shackle Kit — Toyota Tundra (2007–2021, incl. TRD Pro)
The subtlest rear lift Ekstrom Design builds for the 2007–2021 Tundra — 0.625″ of true rear lift. It swaps the factory stamped-steel shackles for CNC-machined billet aluminum, and that’s where the payoff lives: less bed bounce, less side-to-side flex, and a rear end that feels planted instead of busy. If your Tundra is a daily driver that just needs a cleaner stance and better rear manners without a full lift, this is the size to start with.
| Spec | Detail |
|---|---|
| Actual rear lift | 0.625″ (from +1″ shackles), measured at the axle |
| Material | 6061-T6 billet aluminum, hard black anodize |
| Bushings | Free-pivot graphite-infused poly |
| Shock compatibility | ADS, Bilstein 5100/5160, Fox, Icon, King, OME, TRD Pro (not RAS) |
| Clearances | OE or aftermarket leaf packs, TRD dual exhaust, full-size spare |
| Install | Bolt-on, 45–60 min (70 ft-lbs) |
| In the box | Pair of +1″ shackles, poly bushings, hardware, grease packs, guide |
| Origin | Made in the USA by Ekstrom Design |
| Fitment | Toyota Tundra 2007–2021, including TRD Pro |
How much lift does it add?
0.625 inch of true rear lift, measured at the axle — the subtlest of Coachbuilder's shackle kits.
What does it improve besides height?
The billet shackles cut rear bed bounce and side-to-side flex, so the rear end feels planted instead of busy.
Will it work with my shocks?
Yes — it's compatible with ADS, Bilstein 5100/5160, Fox, Icon, King, OME, and TRD Pro shocks. It is not compatible with Road Active Suspension (RAS).
Does it fit the TRD Pro?
Yes — it fits every 2007-2021 Tundra including TRD Pro, and clears the TRD dual exhaust and full-size spare.
How long is the install?
About 45-60 minutes; torque the bolts to 70 ft-lbs with the truck on the ground.
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Specifications
Coachbuilder +1" Shackle Kit | .625" Rear Lift | Fits Toyota Tundra 2007–2021 Including TRD Pro | Ekstrom Design FAQs
Why does a +1" shackle only add .625" of lift?
Shackle length doesn't convert one-to-one into ride height. The shackle hangs at an angle and rotates as the leaf spring cycles, so a shackle that's 1" longer raises the rear axle of a 2007-2021 Tundra about .625" — that's the actual-lift number Coachbuilder publishes, and it's the honest one to plan your stance around. If you need more height, the same shackle line runs up to +4", which delivers 2.25" of actual lift.
Will this fit my Tundra TRD Pro with the TRD dual exhaust?
Yes. The kit fits all 2007-2021 Toyota Tundras including TRD Pro, clears the TRD dual exhaust, and still lets you carry the full-size spare. It works with OE or aftermarket leaf packs and is compatible with ADS, Bilstein 5100/5160, Fox, Icon, King, OME, and TRD Pro shocks. The one exception: it is not compatible with Road Active Suspension (RAS).
Do I need a carrier bearing drop kit with the +1" shackles?
Coachbuilder doesn't include one with the +1" kit — at .625" of lift the driveline angle change is the smallest in the shackle lineup. The taller +2", +3", and +4" kits do ship with a carrier bearing drop kit sized for the shackles. If you ever notice driveline vibration after a rear height change, a carrier bearing drop kit for 0-2" of rear lift is the usual fix.
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