Yoursme LS Swap Mounts Adapter Plates – Universal SBC to LS Engine
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Description
xOverview
Yoursme LS Swap Mounts Adapter Plates are CNC‑milled billet aluminum brackets designed to simplify installing an LS‑series engine into a vehicle originally built for a small‑block Chevy. Built to OEM specifications, these plates provide a solid foundation for your SBC‑to‑LS conversion project while leaving room for common header, pan, and steering configurations.
Fitment and design details
Designed for broad compatibility, the plates support popular LS variants including LS1, LS3, LS2, LQ4, LQ9, LS6, L92, L99, L33, and LR4. A key feature is the crankshaft centerline adjustment, moving the centerline up by 0.17 inches within the vehicle. This helps you dial in geometry that can work with different components in your build.
No grinding required for a flush fit
To accommodate the hump on the backside of SBC/BBC motor mounts, the center opening is milled out. This design choice helps reduce the need for grinding and supports a cleaner, more direct installation.
- 4 adjustable positions to accommodate a wide variety of headers, oil pans, steering boxes, and other modifications.
- Billet aluminum construction milled to tight tolerances for reliable alignment.
What’s included and how it helps your install
The package includes everything you need for installation: two adapter plates, eight flat head bolts, and six flange bolts (M10‑1.5). The plates thread M10, and all hardware is included to support a straightforward, drop‑in style swap.
- 2 Adapter Plates
- 8 Flat Head Bolts
- 6 Flange M10-1.5 Bolts
- All necessary hardware for a complete swap
Material, durability, and warranty
Machined from aluminum via CNC, these plates offer precise alignment with a lightweight, durable build. Yoursme backs the product with a 12‑month warranty and a 30‑day return window if you’re not fully satisfied with the item.
Why choose Yoursme for your swap
These adapter plates are designed to support a range of common SBC‑to‑LS swaps while preserving a dependable mounting solution that fits a variety of chassis layouts. They’re suitable for street builds, hobby projects, and enthusiasts who value a solid mounting base that can accommodate different header and pan configurations without forcing unrealistic expectations.
FAQ
Q: What comes in the Yoursme LS Swap Mounts Adapter Plates package?
A: 2 adapter plates, 8 flat head bolts, and 6 flange bolts (M10-1.5).
Q: Will these plates require grinding to fit?
A: No grinding is necessary; the center opening clears the SBC/BBC motor mount hump for a clean fit.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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