PG55 Vintage: Premium Coolant for Classic & Antique Cars Free U.S. Shipping from our California warehouseChoose from 2-, 4-, or 6-bottle kits at our best unit price. Only $56.99 per bottle — designed to protect and preserve the engines of timeless classics. Antifreeze Type: Precision Prediluted (50:50) Preserving Heritage with Modern Cooling Technology PG55 Vintage is formulated for classic and antique vehicles that require gentle, reliable cooling and corrosion control. It maintains balanced temperature management while protecting older materials such as brass, copper, and cast iron — keeping your classic running cool and original. Why Choose PG55 Vintage? Classic Engine Protection – Gentle on cast-iron blocks, brass fittings and rubber seals Authentic Compatibility – Formulated for pre-OAT vehicles and vintage cooling systems Stable Alkaline pH – Maintains pH 8 – 9 to minimize corrosion over time Ideal for Storage & Seasonal Use – Prevents oxidation and seal dry-out during long parking periods Fast Warm-Up Efficiency – Helps reduce wear on cold starts and improves engine longevity Eco-Friendly Base – Non-toxic, biodegradable propylene glycol Technical Specifications Engine Compatibility: Classic gasoline engines with cast iron or mixed-metal construction Composition: Propylene Glycol: 50% Purified Water: 45% Rust Inhibitors & Additives: 5% Boiling Point: 224.6 °F (107 °C) Antifreeze Protection: Down to −22 °F (−30 °C) Replacement Interval: Up to 3 years (heritage vehicles) Volume: 4 liters (1.056 gallons) Color: Light Red / Pink Type: Ready-to-use (Do not dilute or mix with other coolants) How Much Do You Need? Small Engines: VW Beetle, Mini Cooper Classic → 6 – 8 L → 2 bottles Large Vintage Engines: Mustang V8, Jaguar E-Type, 240Z → 9 – 13 L → 4 bottles Usage Note — For Maximum Protection Before filling with PG55 Vintage, flush the system to remove residual ethylene-glycol coolant or debris: Rinse twice with clean distilled or de-ionized water. Ensure all old coolant is fully removed before filling with PG55 Vintage. If your system already contains PG55 Vintage, no flush is needed for continuous use. Pricing (Free U.S. Shipping) 2 Bottles (8 L): $113.98 ($56.99 each) 4 Bottles (16 L): $227.96 ($56.99 each) 6 Bottles (24 L): $341.94 ($56.99 each) Notes Ships from California via USPS / UPS Ground Available in even-quantity bundles (2-pack, 4-pack, 6-pack) Click here to download the SDS (Safety Data Sheet)
