Ensure a secure and precise seal on your Holley T/Quad and Quadrajet carburetors with this Moroso carb cap. Designed to fit 5-1/8 inch necks, it maintains optimal fuel system performance by preventing contamination and vapor loss. Its compact dimensions of 13.3 cm by 13.3 cm provide easy handling and installation, making it an essential tool for fuel system maintenance.

Optimize fuel delivery and engine performance with the Moroso Carby Cap designed specifically for 4500 Dominator carburetors. Its precise 7-5/16 inch neck size ensures a secure fit, minimizing air leaks and enhancing throttle response. Weighing just 0.3 kg, it offers durable reliability without adding unnecessary bulk—ideal for high-performance tuning.