Old World Industries, the makers of PEAK Coolant & Antifreeze and BlueDEF Diesel Exhaust Fluid and Equipment, has partnered with Stewart-Haas Racing (SHR), the championship-winning NASCAR team. PEAK ...

are compatible with all diesel SCR systems and the non-flammable formula with easy-pour dispensing nozzle makes handling safe and easy. BlueDEF PLATINUM® contains a proprietary additive package to ...