Two men have been arrested after authorities discovered more than $90million worth of crystal methamphetamine in a fuel tank of a semi-truck in North Carolina.

Raul Topete, 49, and 48-year-old Aquileo Perez Pineda, were both arrested on Saturday after officers from the Harnett County Sheriff's Office made the discovery.

Police said they seized a 2009 Peterbilt semi-truck that was driven by Topete, a Hispanic male from California, in Linden, North Carolina.

Raul Topete (left), 49, and 48-year-old Aquileo Perez Pineda (right), were both arrested on Saturday after North Carolina officers discovered more than $90million worth of meth in a fuel tank of a semi-truck

It led to the discovery of 120 gallons of liquid meth that was stored in the driver’s side fuel tank on the semi-truck.

When converted to kilograms, the crystal meth would have a street value of $90.8million.

Both suspects were placed in the Harnett County Detention Center under a $3million bond.

An immigration detainer has been issued for Pineda. ICE is looking into immigration status of Arreola. The investigation is still ongoing.

The discovery was made as part of a joint investigation that took place over the course of several months.

According to a police statement, officers in Harnett County, Wake County and the North Carolina Bureau Investigation had been conducting the investigation into the transportation and trafficking of meth.