Billet Specialties radiator caps are 2.5 diameter and are machined from 6061-T6 billet aluminum. Knurled sides provide a positive grip. Available in Black for 16 lb applications, the billet top and radiator cap come unassembled.

Billet Specialties is proud to be one of the most recognized names in the Hot Rod industry. With hundreds of accessory products and 90 plus wheel styles Billet Specialties has the most diverse product line in the industry and its growing every day. No other billet wheel or accessory manufacturer can make that claim. We have been delivering the most innovative wheels, interior, exterior and engine dress up accessories to enthusiasts since 1985.

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