This 16 lb. radiator cap features Billet Specialties’ smooth circular design for a clean, minimalist look under the hood. The outer shell is CNC machined from 6061-T6 billet aluminum and polished to a mirror finish, offering a refined appearance that complements polished engine components.

Beneath the billet cover is a premium Stant pressure-rated insert, providing reliable 16 PSI operation for modern and high-performance cooling systems. The cap fits most standard radiator necks and combines form with function in a low-profile design.

• 16 lb. pressure rating
• Smooth circular billet cover for a clean appearance
• CNC machined from 6061-T6 aluminum
• Show-quality polished finish
• High-quality Stant internal cap
• Fits most standard domestic radiator necks