Radiator Specialty Co.'s Solder-Seal Gunk line of power steering fluids and additives has been expanded, and now features five up-to-date formulas to satisfy late model OEM vehicle fluid specifications and customer remedy expectations. Also, the packaging is now presented in English and Spanish, with a contemporary design. GUNK power steering fluids and additives are available in the 12-fluid ounce top-off size. Some products are available in larger sizes.