PG55 RC: The Ultimate Coolant for High-Performance Cars Free U.S. Shipping from our California warehouseChoose from 2-bottle, 4-bottle, or 6-bottle kits at our best unit price. Most performance cars require more than 2 bottles (8 L total) for a complete system fill. Antifreeze Type: Golden Ratio Prediluted (55:45) PG55 RC is trusted by Japan’s top racing teams in SUPER GT, SUPER FORMULA, and D1 GRAND PRIX. Engineered for motorsport and high-performance applications, it maintains stable cooling performance under extreme conditions. Built on the proven 55:45 ratio, PG55 RC combines: 55% propylene glycol 43.7% high-precision filtered water 1.3% advanced additives Learn why the 55:45 “Golden Ratio” matters Why Choose PG55 RC? Motorsport Proven – Used in Japan’s top racing series Golden Ratio Formula – Optimized for heat absorption and dissipation High Cooling Stability – Maintains consistent temperatures under high load Eco-Friendly Base – Non-toxic, biodegradable propylene glycol Service Life – 2 years (motorsport) / up to 5 years (standard use) Applications JDM Icons: Like S-Chassis, Toyota 86, BRZ Global Performance: GT-R, Supra, Corvette, Mustang Motorsports / Off-Road: Turbo, NA, endurance, and drift builds Technical Specifications Boiling Point: 224.6 °F (107 °C) Antifreeze Protection: Down to −40 °F (−40 °C) Volume: 4 liters (1.056 gallons) Color: Blue Type: Ready-to-use (Do not dilute or mix with other coolants) How Much PG55 RC Do You Need? Toyota 86 / Subaru BRZ: Approx. 7.5–7.6 L (≈ 2 gal) → Order 2 bottles GT-R, Supra, Corvette, Mustang: Approx. 10–15 L (2.6–4 gal) → Order 4 bottles Usage Note — For Maximum Performance For the best cooling performance from PG55 RC, we recommend flushing the system twice before your final fill: Ideally, rinse two times with PG55 RC (recommended for maximum purity), or Rinse two times with flash water (clean distilled or de-ionized water) to remove old residues. Ensure that all remaining coolant—especially ethylene-glycol-based coolant—is completely removed before filling with PG55 RC.If your system already contains PG55 RC from a previous fill, flushing is not necessary for continuous use. Pricing (Free U.S. Shipping) 2 Bottles (8 L): $131.98 ($65.99 each) – For most cars 4 Bottles (16 L): $263.96 ($65.99 each) – For big-engine cars 6 Bottles (24 L): $395.94 ($65.99 each) – For large vehicles and workshops Notes Ships from California via USPS Ground Available in even-quantity bundles (2-pack, 4-pack, 6-pack) Click here to download the SDS (Safety Data Sheet)
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