Castrol Classic Monograde Mineral Oil XL 30 4.54L / 1 Gallon Classic Cars SAE30

Castrol Classic Monograde Mineral Oil XL 30 SAE90 – 4.54L / 1 Gallon – Premium Engine Oil for Classic Cars & Motorcycles 

*Made in the UK*

Premium Quality Monograde Engine Oil for Vintage & Veteran Vehicles – For Pre-1950 Cars & Motorcycles

Castrol Classic XL30 is a high-performance SAE 30 monograde engine oil specially formulated for veteran, vintage, and early classic vehicles. Designed for engines built before 1950, this premium-grade oil is crafted from high-quality mineral oils and carefully selected additives to ensure reliable lubrication, reduced wear, and outstanding protection for older, low-tolerance engine designs.

Whether you own a classic Fiat, Alfa Romeo, Lancia, MG, Bentley, Rolls-Royce, Triumph, Jaguar, or any pre-1950 vintage make, Castrol Classic XL30 delivers the authentic performance and protection your engine was designed for.

Key Features:

• Perfect for Pre-1950 Veteran, Vintage & Classic Cars - Ideal for engines with older technology, traditional oiling systems, and gauze-type oil filters

• High-Quality SAE 30 Monograde oil – Provides stable, consistent lubrication for early engines and motorcycles with roller bearing crankshafts

• Enhanced Engine Protection – Contains additives to control varnish, reduce wear, and minimise sludge build-up in older engines

• Suitable for Vintage Gearboxes – Recommended for many manual gearboxes fitted to classic vehicles, including pre-selector types like Wilson gearboxes.

• Excellent Cold Start & High-Temp Performance - Offers reliable lubrication in cold-start conditions and maintains strong oil pressure at high operating temperatures.

• Balanced Low-Detergent Formula - Protects against gum and lacquer formation, will not dislodge carbon deposits in ageing engines, compatible with traditional seals (cork, rope, graphite)

• API: SB Specification - Meets period-appropriate standards for early engine designs

• Classic Tin Can Design (4.54L / 1 Gallon) – Vintage packaging, perfect for display and storage

• Made in the UK – Trust in the premium quality of Castrol, a leading brand for classic vehicle maintenance

Why Choose Castrol Classic XL30?

Castrol Classic XL30 is specifically engineered for early engines and drivelines, offering:

• Superior wear protection for older engines with lower oil pressure systems

• Effective splash and cling lubrication for gear-driven oil pumps

• Compatibility with early engine materials and construction

• Reliable performance for vintage motorcycles and cars requiring SAE 30 monograde oil

• Peace of mind using a trusted, historic brand used by enthusiasts worldwide

Purchase with confidence knowing you’re using a trusted brand that’s been a staple in vehicle maintenance for decades.