1985 Porsche 928 Lubricants

75W-90 Full Synthetic Gear Oil is engineered for high-performance applications, delivering exceptional reliability even under extreme loads and demanding operating conditions. Its fully synthetic composition ensures maximum wear protection, safeguarding critical components and extending the lifespan of your vehicle’s gear system. Designed to perform seamlessly across a wide temperature range, this gear oil promotes precise functionality, making it ideal for both everyday use and challenging environments. With industry-leading specifications and approvals, including API GL4, API GL5, and API MT-1, it meets rigorous standards for quality and compatibility. The advanced formula also enables longer oil change intervals, reducing maintenance frequency and providing excellent value for your investment. Perfect for drivers seeking durability, efficiency, and superior performance in a single solution.

Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions. Volume: 1 quart.

Valvoline High Performance Synthetic Gear Oil is the thermally stabile extreme pressure lubricant that offers outstanding protection for gearboxes and differentials in passenger cars, light trucks, and sport utility vehicles. Combined with high quality synthetic base oils, our formula’s superior additives help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions. Can be used in conventional and limited slip hypoid differentials where GL-5 is specified as well as non-synchronized manual transmissions that require GL-4. Protect your gears with Valvoline, the No: 1 gear oil brand. Volume: 1 gallon.

Mobil 1 High Mileage motor oil utilizes our signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles of all ages. Specialty components in synthetic oil extend engine life by reducing the friction that causes deposits and sludge buildup – keeping critical engine parts clean and protected for up to 15,000 miles between oil changes.(1) Mobil 1 High Mileage motor oil meets ILSAC GF-7 standards, offering superior oxidation control, enhanced protection against pre-ignition and timing chain wear, and excellent cold-start and low-temperature performance. Mobil 1 is the No. 1 selling motor oil in America at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR(R). Volume: 1 quart.

Mobil 1 High Mileage motor oil utilizes our signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles of all ages. Specialty components in synthetic oil extend engine life by reducing the friction that causes deposits and sludge buildup – keeping critical engine parts clean and protected for up to 15,000 miles between oil changes.(1) Mobil 1 High Mileage motor oil meets ILSAC GF-7 standards, offering superior oxidation control, enhanced protection against pre-ignition and timing chain wear, and excellent cold-start and low-temperature performance. Mobil 1 is the No. 1 selling motor oil in America at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR(R). Volume: 5 quarts.

Castrol EDGE High Mileage 10W-30 is the natural choice for drivers who demand maximum performance from their high mileage car. It’s been engineered to provide Superior Protection in 7 Crtitical Areas including corrosion prevention, sludge control, timing and friction wear and unique protection for your emission system. As your vehicle ages, it becomes more prone to catalytic converter failure. Castrol EDGE High Mileage is formulated with a with Phosphorous Replacement Technology, a proprietary additive that reduces the level of harmful phosphorus to protect the catalytic converter and preserve the life of your emission system. It’s full synthetic formula provides enhanced protection against extreme internal temperatures and also includes specialized additives to reduce leaks, oil burn off and power robbing deposits. Castrol EDGE High Mileage helps your car defy its miles and extend maximum performance. Volume: 1 quart.

Mobil 1 motor oil utilizes our signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles of all ages. Specialty components in synthetic oil extend engine life by reducing the friction that causes deposits and sludge buildup – keeping critical engine parts clean and protected for up to 15,000 miles between oil changes.(1) Mobil 1 motor oil meets ILSAC GF-7 standards, offering superior oxidation control, enhanced protection against pre-ignition and timing chain wear, and excellent cold-start and low-temperature performance. Mobil 1 is the No. 1 selling motor oil in America at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR(R). (1)Protects for 15,000 miles or 1 year, whichever comes first (2)Source: Circana/ Retail Tracking Service/ Dollar Sales/ 52 weeks ending February 1, 2025 Volume: 5 quarts.

Castrol EDGE Euro 5W-30 A3/B4 is an advanced full synthetic motor oil engineered to exceed manufacturer test limits ensuring the highest level of protection and maximum performance for European cars. European car manufacturers create unique motor oil specifications to ensure the lubricant can withstand the intense pressure, heat and friction generated in a high output engine. To ensure compliance, rigorous engine tests are developed, with approval granted only when the oil achieves the minimum values required in each test. Castrol EDGE Euro Car fluids are formulated to exceed these requirements and deliver maximum protection and performance. Volume: 5 quarts.

TranSynd 668 Full Synthetic Transmission Fluid is engineered to deliver exceptional performance and durability for your vehicle’s transmission system. Designed with advanced features, it ensures improved gear protection and extended clutch-friction durability, making it ideal for both general-duty and severe-duty transmissions. With the ability to support extended drain intervals of up to 300,000 miles or 48 months in general-duty use and up to 150,000 miles or 48 months in severe-duty conditions, this fluid offers outstanding value and reduced maintenance downtime. Its excellent shear stability maintains consistent viscosity, providing reliable wear protection throughout the drain interval. Additionally, the fluid’s superior thermal and oxidation stability minimizes deposit formation, while its full-synthetic base ensures optimal performance across a wide temperature range. Enhanced corrosion and foaming resistance further contribute to the longevity and efficiency of your transmission system. Packaged in a convenient 1-gallon container, TranSynd 668 is the ultimate choice for those seeking high-performance, long-lasting transmission fluid. Volume: 1 gallon.