HKS Gear Oil G-1200

2011–2025 Universal Fitment for Street and Race Applications

Part #: 52004-AK007

Overview

The HKS Gear Oil G-1200 (75W120) is a high-performance, synthetic gear lubricant designed for both street and racing vehicles. Engineered to provide exceptional lubrication under demanding conditions, this gear oil helps support the longevity and optimal performance of your vehicle’s transmission and differential components. Whether you're a daily driver seeking improved gear smoothness or a racing enthusiast pushing your vehicle to its limits, G-1200 offers the reliability and load capacity needed for high-stress applications.

Using advanced synthetic technology, HKS's G-1200 gear oil ensures excellent low-temperature fluidity, enabling smooth gear engagement during cold starts. Its formulation reduces friction and wear, helping to maintain consistent power transfer and protect your drivetrain during spirited driving or high-performance racing. This gear oil is suitable for a wide range of vehicles and is ideal for those looking to upgrade from conventional lubricants for enhanced durability and performance.

Key Features

The HKS G-1200 gear oil is packed with features that make it a top choice for performance-minded drivers:

• 100% synthetic non-polymer formulation provides superior lubrication and reduces wear on gears and bearings.
• Viscosity grade of 75W120 ensures excellent low-temperature fluidity and high-temperature film strength, supporting consistent performance across a wide temperature range.
• Enhanced load-carrying capacity helps withstand the stresses of high-power applications, making it suitable for both street and race use.
• Improved low-temperature fluidity facilitates smoother gear shifts during cold starts, reducing drivetrain stress and improving drivability.
• Formulated with carefully selected additives to reduce friction, minimize heat buildup, and extend component life.
• Designed to meet the demands of modern high-performance transmissions and differentials, supporting increased horsepower and torque.
• Renewed with clearly marked viscosities, offering a range of five different types from No. 90 to No. 250, allowing you to select the best grade for your specific vehicle and driving needs.
• Universal application suitable for various makes and models, providing versatile protection and performance enhancement.

Construction & Design

The HKS G-1200 gear oil features a fully synthetic, non-polymer base that ensures consistent viscosity and excellent thermal stability. Its formulation incorporates advanced additive technology to reduce metal-to-metal contact, decrease friction, and prevent wear under high load conditions. The oil's high-quality base oils and proprietary additives work together to deliver smooth gear operation, reduce noise, and improve overall drivetrain efficiency. The oil's formulation is engineered to maintain its protective properties over extended service intervals, making it a reliable choice for both daily driving and competitive racing.

Installation & Fitment

The HKS G-1200 gear oil is a straightforward, bolt-in replacement for your vehicle’s existing transmission or differential lubricant. It is compatible with most manual and limited-slip differentials that specify a 75W120 viscosity grade. No special tools or modifications are required for proper installation. Simply drain the old gear oil, clean the fill and drain plugs, and refill with the recommended amount of G-1200. Regular maintenance intervals will ensure your drivetrain remains protected and performs at its best.

• Compatible with a wide range of vehicles requiring 75W120 gear oil
• No cutting, drilling, or tuning necessary

What's Included

• 1 liter of HKS Gear Oil G-1200 (75W120) synthetic lubricant
• Installation instructions (if provided)

Ideal For

• Performance enthusiasts seeking reliable gear lubrication
• Street drivers looking for smoother gear engagement and protection
• Racing teams requiring high-load capacity gear oil for demanding conditions
• Owners of manual transmissions and differentials needing a high-quality synthetic lubricant