Push Fuel Cap and Adapter

Upgrade your Ford F100 or classic truck's fuel system with the Precision CNC Machined Aluminum Adapter from Fat Fender Garage. Thread it effortlessly onto any Boyd 2" NPSM neck, converting it to popular OEM style click and Fill Thru Caps. Ideal for hot rods and big box store transfer tanks with 2" NPT Pipe nipples. Increase neck height by about 5/8" plus your cap's height. Compatible with many OEM-style caps using a long course thread, including Hagan, Tanks INC, and Permacap. Elevate your fuel system with this versatile and precision-engineered adapter.