Here's a larger version of our popular Monza caps.

Maximum lid dimension from catch to hinge is 100mm.

Cap lid nominal diameter 75mm.

It has a vented, sprung rubber seal and a screw-in threaded brass ring which will fit nicely over a 57mm diameter tube and can be soldered or bonded in place.

Weight 343 gms.

CHROME MONZA FUEL CAP #MON51