As seen in this cutaway, your traditional small block Chevy-style valve covers attach to the top of the adapters, to hide your LS ignition coils. (Image/Billet Specialties)
It’s no secret that the GM LS engine is the go-to swap choice in the 21st century. Heck, gearheads are shoving the LS into darn near everything with wheels.
But, while we love the motor’s performance and versatility, it does have a bit of a drawback: it looks like a modern engine. That alone can make purists snicker at any LS swapped into a vintage vehicle.
The gang at Billet Specialties came up with a sneaky solution.
Its LS Valve Cover Conversion Kit lets you use traditional small block Chevy valve covers on your modern LS motor.
Better yet, installing those old-style “valve covers” conceals the LS engine’s coil-on-plug ignition coils and wiring, so you can really pull off a vintage look.
That means you can pop your hood and most casual observers will think you’re running a period-correct motor.
The adapter plates actually serve as the valve covers in the traditional sense. They cover your valvetrain and secure using the LS OE-style valve cover mounting setup and retain the OE LS gaskets.
You then install your ignition coils onto the adapter plate and install your small block Chevy valve covers over top the ignition coils. The valve covers secure to the adapter plate via the familiar small block Chevy-style perimeter bolt mounting pattern.
Flip over the adapters and you’ll see that, underneath, they’re essentially stock-style LS valve covers. (Image/Billet Specialties)
The adapters include hidden oil fill caps for each adapter side and an integrated NPT breather port. Your ignition wires exit underneath the covers via recessed channels for a clean, stock look. Billet Specialties says these adapters are compatible with the larger LS3-style ignition coils.
The adapters are machined from 6061-T6 billet aluminum and the kit includes stainless hardware. The Billet Specialties LS Valve Cover Conversion Kit is made in the USA.
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