Easily mounts to any Big Block or Small Block Chevy intake manifold, and can be used in all racing and street- performance applications where a heavy-duty filler neck is required
Includes screw-in 1/8" NPT hose fitting for expansion tanks, and accepts standard-size radiator cap (not included)
Can also be used as a heavy-duty replacement in our Filler Neck Kits No. 710-63420/63470/63480
Moroso offers a variety of filler necks to fit most every application.