Vibrant Radiator Cap for Radiator Filler Neck #20980 - 20981 '-3AN Machined out of billet aluminum

Machined out of billet aluminum

and forced induction (turbo and supercharged) applications

4224207 is a 4-pad spring-centered race disc made with high quality

the PT6266 GEN2 CEA® is the perfect choice for those wanting to make more power without changing their current system

The collectors contain very odd shapes that are bad for smooth exhaust flow and have several diameter restrictions that make them one of the biggest weaknesses of the stock manifold

Vibrant Radiator Cap for Radiator Filler Neck #20980 - 20981 '-3AN Machined out of billet aluminumFiller Neck Size: 1. 250" Cap Pressure: 16 psi Vibrant Performance Radiator Caps are specifically designed to fit our Radiator Filler Necks. These Radiator Caps are constructed from 6061 Aluminum and attractively finished in a satin black.