Coachbuilder Coilover Bolt Kit | Metric M10x1.50 for Eibach & Old Man Emu BP51 Coilovers | Fits Toyota Tacoma, 4Runner, FJ Cruiser 2005+ & Tundra 1999–2006 | Ekstrom Design
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Warranty Information
Vendor warranty summary
Coachbuilder by Ekstrom Design Warranty
At a glance: No-hassle limited lifetime warranty on Ekstrom-made parts; wear items excluded
This is Coachbuilder by Ekstrom Design's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: October 4, 2026.
Coverage by product
| Product or component | Coverage |
|---|---|
| Products made by Ekstrom Design (e.g., Coachbuilder shackle kits) | Limited lifetime |
| Wear items (leaf spring bushings, heim joints and boots, moving/pivoting parts) | Not covered |
| Third-party brands sold by Ekstrom (e.g., BORA wheel spacers) | Not covered by Ekstrom's warranty |
- Original purchaser only — coverage does not transfer if you sell it.
What's covered
- Defects in materials and workmanship on parts manufactured by Ekstrom Design and Fabrication Corporation
- Coverage lasts for the life of the product for the original buyer
What's not covered
- Leaf spring bushings
- Heim joints and heim joint boots
- Any moving or pivoting parts
- Products Ekstrom resells but does not make, such as BORA wheel spacers
How to make a Coachbuilder by Ekstrom Design warranty claim
- Contact Ekstrom Design by phone or email to describe the issue
- Follow their instructions for returning the part
Coachbuilder by Ekstrom Design contact: Phone: (801) 635-4872 · Email: ekstrom_design@yahoo.com · Claim page / support
Bought it from NVMOS? Start with us.
Have your order number and a few photos of the issue ready, then call real humans at (920) 249-7744 or send us a message. We'll tell you whether the claim goes through us or straight to Coachbuilder by Ekstrom Design, and help it along either way.
Shop Coachbuilder by Ekstrom Design at NVMOS
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Coachbuilder Strut/Coilover Shim | .250" Front Lift | Fits Toyota Tacoma, 4Runner & FJ Cruiser 2005–2023 Including TRD Pro | Ekstrom Design
Coachbuilder Coilover Bolt Kit | Metric M10x1.50 for Eibach & Old Man Emu BP51 Coilovers | Fits Toyota Tacoma, 4Runner, FJ Cruiser 2005+ & Tundra 1999–2006 | Ekstrom Design
See all Coachbuilder by Ekstrom Design products, lead times and FAQs →
Disclaimer: The information on this page describes Coachbuilder by Ekstrom Design's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Source: Coachbuilder by Ekstrom Design official warranty information. Last updated on nvmos.com: October 4, 2026. See our return policy for NVMOS's own terms.
About the brand
Coachbuilder by Ekstrom Design
Coachbuilder is Ekstrom Design's Toyota-only line of billet aluminum suspension and driveline parts, built out of Salt Lake City, Utah. NVMOS carries Coachbuilder lift shackles, strut shims, steering kits, carrier bearing and diff drops, and bump stops for Tundra, Tacoma, 4Runner, FJ Cruiser and more. It's for Toyota owners fine-tuning a lift.
Based in: Salt Lake City, Utah · Founded: 1998 (Coachbuilder line since 2009) · Lead time: Brand ships in 1–2 business days
Shop all 43 Coachbuilder by Ekstrom DesignWarrantyAll brands
Warranty terms are set by Coachbuilder by Ekstrom Design, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
Coachbuilder shims go onto Eibach and Old Man Emu BP51 coilovers with metric hardware, and this kit supplies exactly that: six M10x1.50x40mm bolts with six flat washers and six lock washers, covering both sides of a 2005+ Tacoma, 4Runner, or FJ Cruiser — or a 1999–2006 Tundra. It does the same job the SAE kit does for ADS, Fox, Icon, and King setups, just in the thread BP51 and Eibach coilovers actually take. Match the kit to the coilover brand, not the truck, and the shim install goes through without a second parts run.
Features
- Six M10x1.50x40mm bolts — metric thread for Eibach and Old Man Emu BP51 coilovers
- Six flat washers and six lock washers round out the kit
- Covers both sides of the truck — three bolts per corner
- Required when installing Coachbuilder shims on Eibach or OME BP51 coilovers
- Fits 2005+ Tacoma, 4Runner, and FJ Cruiser plus 1999–2006 Tundra
- Not for ADS, Fox 2.5, Icon 2.5, or King coilovers — those take the SAE 3/8" kit
Order it with the .50" shim or 1.00" shims for these trucks — first-gen Tundra owners can pair it with the .50" shim for the 1999–2006 Tundra. Running ADS, Fox 2.5 Series, Icon 2.5 Series, or King coilovers instead of BP51s? That calls for the SAE 3/8" Coilover Bolt Kit.
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Specifications
Coachbuilder Coilover Bolt Kit | Metric M10x1.50 for Eibach & Old Man Emu BP51 Coilovers | Fits Toyota Tacoma, 4Runner, FJ Cruiser 2005+ & Tundra 1999–2006 | Ekstrom Design FAQs
How is this different from the SAE coilover bolt kit?
Thread standard. This kit's six M10x1.50x40mm bolts are metric, matched to Eibach and Old Man Emu BP51 coilovers, while the SAE kit's 3/8"-16 Grade 8 bolts fit ADS, Fox 2.5 Series, Icon 2.5 Series, and King coilovers. Both cover the same trucks — 2005+ Tacoma, 4Runner, and FJ Cruiser plus the 1999-2006 Tundra — so pick by coilover brand.
What's included, and does it cover both sides?
Six M10x1.50x40mm bolts, six flat washers, and six lock washers — three of each per side, so one kit covers both front coilovers. That's the hardware Coachbuilder specifies for installing its shims on Eibach or Old Man Emu BP51 coilovers on these trucks.
Will this fit my 2018 4Runner with BP51 coilovers?
Yes. The kit covers 2005+ Tacoma and 4Runner along with the FJ Cruiser and 1999-2006 Tundra, and Old Man Emu BP51 is exactly what it's built for — Coachbuilder lists this metric kit as required when running its shims on BP51 or Eibach coilovers.
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