Swapping a GM LS engine into an older car or truck? Speed Engineering's billet aluminum motor mount plates make the conversion straightforward. Machined from 3/8" billet aluminum, these plates are designed to adapt an LS series engine to virtually any vehicle that originally came with a small block Chevy engine — giving you four different engine position options to dial in the placement that works best for your build. All required mounting hardware is included.
Features:
- 3/8" Billet Aluminum Construction — Strong, lightweight, and precision machined
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4 Adjustable Engine Positions:
- Stock SBC Location
- 0.625" setback
- 1.625" setback
- 2.250" setback
- Compatible with Virtually Any SBC Chassis — Adapts LS engines to any vehicle originally equipped with a small block Chevy
- Compatible with LS1, LS2, LS3, LS6, and LS9 Engines
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All Hardware Included:
- 8 Zinc Motor Mount Bolts
- 6 Engine Counter Sunk Bolts
Compatible Engines:
- GM LS1
- GM LS2
- GM LS3
- GM LS6
- GM LS9
FAQ
What vehicles will these motor mount plates fit?
These plates are designed to adapt an LS series engine to virtually any vehicle that originally came with a small block Chevy engine. They are not vehicle-specific — they work across a wide range of classic GM platforms with SBC motor mount locations.
How many engine position options are there?
There are four adjustable engine positions — stock SBC location, 0.625" setback, 1.625" setback, and 2.250" setback — allowing you to dial in the placement that works best for your specific build.
What hardware is included?
8 zinc motor mount bolts and 6 engine counter sunk bolts are included. All hardware needed for installation comes in the box.
What LS engines are these plates compatible with?
These motor mount plates are compatible with GM LS1, LS2, LS3, LS6, and LS9 engines.
What material are these motor mount plates made from?
3/8" billet aluminum — precision machined for strength and light weight.
