1" spacer kit
$40Add an inch of clearance with the optional spacer kit.
Derby Werkz • Kustom Koncepts
Get to know the shapes, finishes, fonts, and extras before you build your custom roof sign.
Steel construction. Graphics on both sides. Shipped fully assembled.
Find your shape →
01 / Pick your profile

A swept profile with a distinctive fin shape.
A squared profile for a bold, upright look.
Photos show optional lower sponsor sign kits.

02 / Built for your ride
Every full-size roof sign ships fully assembled, with your graphics already applied to both sides.
Choose gloss or matte to finish your graphics the way you want.

03 / Make it yours
Add an inch of clearance with the optional spacer kit.
Give your sponsors their own space below the main sign. Panel size: 20" wide × 3¾" tall.
Sponsors changed? Purchase replacement sponsor decal wraps to update your sign for the next season.
Free shipping on replacement sponsor decal wraps.
04 / Stand out by number
Compare the full digit sets below, then choose the matching letter under NUMBER STYLE on the product listing. Left- and right-leaning examples are shown in the charts.
The product listing shows the number styles currently available for that design. These charts show styles A–K and a number-tail example.
05 / Put your name on it
Choose your favorite lettering below, then select the matching style number under FONT STYLE on the product listing.
06 / Small signs. Big memories.

Mini signs make great sponsor gifts, memorabilia, lawn mower derby signs, man cave decorations, and trophies.
Made from powder-coated steel and shipped fully assembled.
Mini signs do not include mounting hardware. Lower sponsor sign kits are not available for minis.
Ready to put it together?
Keep this guide handy while you choose. Available options are shown on each product listing.
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