Those kits came out decades ago. It is doubtful you will find one. Not sure if it applied to all models.
Traveling with empty tanks helps in reducing the stress.
1966 Mercury Park Lane 4 DR Breezeway 410 4V, C-6, 2.80 - Streamless.
1966 Lincoln 4 door Convertible 462 4V 1971 Ford LTD Convertible 429 4V Phoenix ~ Yeah it's hot however it's a dry heat!