The BLK75120 is a domed billet-aluminum radiator cap featuring a 16 psi pressure rating and a stylish black finish. It’s machined from 6061-T6 aluminum with knurled sides for easy grip. The cap uses a high-quality Stant 16 lb valve and comes unassembled, allowing the billet top to be oriented perfectly before installation. With a 2.5″ diameter, it fits most standard radiator necks and adds a sleek, performance-inspired look to any engine bay.

• Pressure rating: 16 lb (standard cooling system use)
• Diameter: 2.5″
• Material: 6061-T6 billet aluminum
• Finish: Black anodized with polished billet top