Hot Shot's Secret is rolling out Ultra Premium DEF, a new ready-to-use diesel exhaust fluid built to stop the SCR crystal buildup that clogs tanks,...

DEF crystallization causes costly SCR repairs and trouble codes. Hot Shot's Secret premium DEFender dissolves buildup and protects your system.

A single mismatched injector nozzle can cook a piston. Here's how it happens, the warning signs to catch, and why Dynomite Diesel nozzles run consistent.