Car kits made in the USA for home builders: Cobra-style roadsters, hot rods, mid-engine sports cars and truck kits.
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A kit car comes from the factory as a chassis, body and parts, and the buyer builds it at home, usually adding an engine and transmission of their choice. The kit maker listed here makes Cobra-style roadsters, coupes, hot rods and a mid-engine sports car in Massachusetts.
Finished cars built from kits are titled and registered under each state's rules for specially constructed vehicles.
Factory Five makes build-it-yourself car kits: the Mk5 and Mk4 Roadsters, 289 USRRC, Type 65 Coupe, 818, '33 Hot Rod, Speedstar, '35 Hot Rod Truck and the XTF truck kit.
Made in: Wareham, MA (kits). Buyers supply the engine, such as a Ford Coyote, LS or Hemi; the XTF is built on a 2015-2020 Ford F-150.
Source: Factory Five, checked 10/2026
Wareham, MAIf a company makes its products in the USA and is not listed, send us its website.
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A company may be based in the USA while making some products elsewhere. Check the manufacturer's own site for where a specific product is made.