Free* Shipping on Orders Over $159
Easy 30 Days- No Hassle Returns
37,000+ 5 Star Reviews
MFG Fitment Guarantee
Couldn't load pickup availability
The Vibrant Performance Radiator Cap (Part #20981) is engineered for reliability and performance in demanding cooling systems. Designed to fit Vibrant Radiator Filler Neck #20980, this cap ensures a secure, leak-free seal while maintaining optimal system pressure for efficient cooling performance.
Built with high-quality materials and precision craftsmanship, it’s ideal for both street and track use — keeping your cooling system operating at peak efficiency.
✅ Key Features:
Fits: Vibrant Radiator Filler Neck #20980
Outer Diameter (O.D.): 2.375"
Filler Neck Size: 1.250"
Cap Pressure: 16 PSI
Construction: Durable, corrosion-resistant finish
Application: Universal — compatible with custom and performance radiator systems
