KEMITEC PG55 Series — Japanese propylene-glycol coolant, shipped from our California warehouse. Kemitec coolants are used by Japan’s top racing teams in SUPER GT, SUPER FORMULA and D1 GRAND PRIX. Every PG55 product is a ready-to-use, prediluted coolant based on non-toxic, biodegradable propylene glycol — no mixing, no dilution. All orders ship from Santa Ana, California to the US mainland. Which PG55 do I need? Product Best for Ratio Freeze protection Color PG55 RC Racing, track days, turbo and high-performance street cars (GT-R, Supra, 86/BRZ, S-chassis) 55:45 −40 °F / −40 °C Blue PG55 HQ Daily drivers, family cars and street builds — best value for everyday use 50:50 −22 °F / −30 °C Emerald green PG55 NR358 Cast-iron blocks and diesel engines (RB26, 2JZ, 4G63, trucks, overland) 55:45 −40 °F / −40 °C Blue PG55 Vintage Classic and antique cars with brass, copper and cast-iron cooling systems 50:50 −22 °F / −30 °C Light red / pink How many bottles? Each bottle is 4 liters (1.06 gal). Sold in packs of 2, 4 or 6. Compact cars and sedans (Civic, Corolla, 86/BRZ): about 6–8 L → 2 bottles Larger engines, SUVs and trucks (GT-R, Supra, Mustang, Tacoma): about 9–15 L → 4 bottles Workshops, fleets or multiple fills → 6 bottles Flush the system twice with distilled water before the first fill and remove all ethylene-glycol coolant. Do not mix PG55 with other coolants.