Red Line Heavy ShockProof Gear Oil is engineered for heavily loaded racing differentials and transmissions that require extreme cushioning and film strength. This unique lubricant provides a film thickness greater than a 75W250 grade oil while maintaining the low fluid friction of a 75W90, effectively reducing operating temperatures and parasitic drag without sacrificing protection.

• Provides massive film thickness for maximum protection against shock loading and gear tooth fatigue
• Optimized for Quick Change differentials, Detroit Lockers, spools, and high-load racing applications
• Used in NHRA Top Fuel and Funny Car rear ends, Sprint, Midget, and Dirt Late Model racing
• Reduces gear noise and helps solve issues in problematic or worn gearboxes
• Not recommended for most synchronized manual transmissions due to extreme slipperiness
• Volume: 1 Gallon / 3.78 Liters

Red Line Heavy ShockProof Gear Oil is engineered for extreme racing applications where gear sets are subjected to massive shock loads and high torque. This unique lubricant provides a film thickness greater than a 75W250 grade, yet maintains the low internal fluid friction of a standard 75W90. It acts as a liquid grease, using microscopic solid particles to provide a sacrificial cushion between gear teeth without compromising flow.

• Designed for heavily-loaded racing differentials, transmissions, and problem gearboxes.
• Ideal for Sprint, Midget, and Dirt Late Model quick-change differentials, Detroit Lockers, and spools.
• Proven performance in NHRA Top Fuel and Funny Car rear ends.
• Reduces operating temperatures and parasitic drag while preventing metal-to-metal contact.
• Not recommended for most synchronized applications due to extreme slipperiness.

• Film Thickness: Greater than SAE 75W250
• Fluid Friction: Similar to SAE 75W90
• Volume: 1 Quart
• Product Line: ShockProof

Red Line 80W140 GL-5 Gear Oil is a high-viscosity synthetic lubricant engineered for differentials and non-synchronized transmissions operating under heavy loads or extreme racing conditions. This formula comes pre-blended with friction modifiers specifically for clutch-type limited slip differentials (LSD), providing the necessary chatter-free operation without the need for additional additives in most applications.

Designed for maximum film strength and thermal stability, this oil is a staple in stock car racing and heavy-duty towing environments where gear protection is critical. Note: Due to its high lubricity, this product is not intended for use in manual transmissions or transaxles equipped with synchronizers, as it may interfere with proper gear synchronization and shifting performance.

• Viscosity Grade: 80W140
• API Service Class: GL-5, GL-6, MT-1
• Military Specifications: MIL-L-2105E
• Industry Standards: SAE J2360
• Contains friction modifiers for clutch-type LSD units
• Container Size: 1 Quart (946ml)

Fits select Dodge Ram, Ford Mustang, F-150, Jeep Cherokee, Toyota Tundra, and Sequoia models.

Red Line 75W140 Synthetic Gear Oil is engineered for differentials that operate under heavy loads or high temperatures. This high-viscosity formula provides superior film strength and protection for the ring and pinion gears in light trucks and performance passenger cars. It contains pre-blended friction modifiers specifically for clutch-type limited-slip differentials (LSD), eliminating the need for additional additives in most applications.

Note: This product is not designed for use in manual transmissions or transaxles. Its extreme slipperiness can prevent proper synchronizer mesh, leading to shifting difficulties.

• Service Class: API GL-5, GL-6, MT-1
• Military Specification: MIL-L-2105E
• Standard: SAE J2360
• Volume: 1 Quart (946ml)
• Contains friction modifiers for clutch-type LSDs

Red Line 75W90 GL-5 Gear Oil is a premium full-synthetic lubricant engineered to protect hypoid gears and improve differential efficiency. Formulated with polyol ester and PAO base stocks, this gear oil features integrated friction modifiers that reduce sliding friction to lower operating temperatures. Its high viscosity index (VI) ensures a stable protective film thickness is maintained across a wide range of thermal conditions, providing the highest degree of protection for extreme-duty applications.

• Full-synthetic formula utilizing polyol ester and PAO base stocks
• Exceeds API GL-5 specifications for superior wear protection
• High viscosity index (VI) provides consistent lubrication during temperature shifts
• Engineered for improved differential efficiency, better mileage, and extended drain intervals
• Reduces sliding friction in hypoid gears to prevent premature wear
• Size: 5 Gallon Pail

Red Line 75W90 GL-5 Gear Oil is a full-synthetic lubricant engineered for superior hypoid gear protection and improved differential efficiency. Formulated with polyol ester and PAO base stocks, this gear oil reduces sliding friction to lower operating temperatures and minimize wear under high-stress conditions.

• Full-synthetic formula using Ester and PAO base stocks for excellent lubrication under extreme conditions.
• Contains friction modifiers to provide additional slipperiness and reduce heat in hypoid gears.
• High viscosity index (VI) ensures relatively constant viscosity and film thickness during temperature fluctuations.
• Exceeds API GL-5 specifications for maximum gear protection.
• Designed for longer drain intervals and improved fuel mileage through reduced internal drag.
• Container Size: 1 Gallon

Red Line 75W90 High-Performance Synthetic Gear Oil is engineered to provide maximum protection and efficiency for hypoid gear units. Formulated from polyol ester and PAO base stocks, this full-synthetic lubricant maintains a high viscosity index (VI) to ensure consistent film thickness and lubrication across extreme temperature ranges.

The inclusion of friction modifiers reduces sliding friction, effectively lowering operating temperatures while improving fuel economy and extending drain intervals. This formula is designed to exceed API GL-5 specifications, providing superior wear protection under high-load conditions.

• Full-synthetic formula utilizing Ester/PAO base stocks for extreme-pressure lubrication
• Integrated friction modifiers reduce heat and improve differential efficiency
• High viscosity index (VI) ensures stable film strength during temperature fluctuations
• Exceeds API GL-5 specifications for wear and oxidation protection
• Supports longer drain intervals and improved mileage
• Volume: 1 US Quart (0.94 Liters)

Red Line 75W110 GL-5 Gear Oil provides a critical intermediate viscosity, offering superior film strength and gear noise reduction compared to 75W90, but with significantly less parasitic drag than a 75W140. This synthetic lubricant is engineered for high-performance applications where standard weights may be insufficient for protecting gear sets under extreme loads and temperatures.

Formulated specifically for differentials, this oil contains the necessary friction modifiers for clutch-type limited-slip differentials (LSD), ensuring smooth operation without the need for additional additives in most applications. Note: Due to its extreme lubricity, this GL-5 oil is not recommended for use in most manual transmissions or transaxles, as it may prevent synchronizers from meshing properly, leading to shifting issues.

• Viscosity Grade: 75W110
• API Service Class: GL-5
• Provides additional film strength over 75W90 with less drag than 75W140
• Includes friction modifiers for clutch-type limited-slip differentials
• Reduces gear noise in sports cars and light trucks like the Chevy Silverado 1500 and Tahoe
• Developed through rigorous testing in racing and high-performance project vehicles
• Container Size: 1 Quart

Red Line 75W140NS is a high-viscosity, GL-5 gear oil designed for applications requiring extreme pressure protection without the slipperiness of added friction modifiers. This non-slip (NS) formula is engineered for racing clutch-type limited-slip differentials to provide maximum lock-up, though it allows for custom tuning; users can add Red Line Limited Slip Friction Modifier in small increments to achieve specific slippage requirements.

The non-corrosive formula is fully safe for all synchro materials, including brass and bronze. This makes it a preferred choice for historic and vintage synchro-equipped gearboxes from the mid-1930s to the early 1950s. It is also a proven solution for resolving noisy or rough shifting in 1964-1969 Dodge and Plymouth A-833 4-speed transmissions.

• Provides maximum lock-up in racing clutch-type limited-slip differentials.
• Contains extreme pressure (EP) additives for superior gear protection.
• Lacks friction modifiers to ensure positive synchro engagement.
• Can be blended with 75W90NS or MT-90 to increase viscosity in noisy gearboxes.
• Meets GL-5 and GL-6 specifications.
• Manufacturer Part Number: 57104.

Red Line MTLV 70W/75W GL-4 is a high-performance synthetic manual transmission lubricant designed to satisfy the gear oil viscosity requirements of 70W and 75W applications. This fluid is specifically engineered to improve shift quality and extend component life in modern manual transmissions and transaxles where thin-viscosity synchromesh fluids are required.

• Synchro Protection: Formulated without the reactive sulfurs found in most GL-5 oils, making it completely safe for brass synchronizers.
• Shift Quality: Provides the ideal coefficient of friction for quicker shifts and eliminates notchy shifting, even in extreme cold.
• Efficiency: Low fluid friction reduces parasitic drag to improve power transfer and fuel efficiency.
• Compatibility: Recommended for GL-1, GL-3, and GL-4 applications, as well as where specialty synchromesh fluids are specified.
• Stability: Offers high-performance gear protection and maintains viscosity under high-shear conditions.

Red Line MT-85 75W85 GL-4 Synthetic Gear Oil is a premium manual transmission lubricant engineered to improve shift quality and protect internal components. Formulated to provide the ideal coefficient of friction for synchronizers, this synthetic fluid eliminates "notchy" shifting even in cold temperatures. Unlike many standard gear oils, MT-85 is completely safe for brass synchronizers because it lacks the reactive sulfurs found in GL-5 oils that cause corrosion and premature wear.

This 75W85 formula satisfies the viscosity requirements for 85W gear oils as well as SAE 30 and 5W30 motor oils often specified for manual gearboxes. It is a direct solution for transmissions requiring Chrysler MS-9070 specifications or those used in heavy-duty NV4500 applications.

• Enhanced Shift Performance: Provides quicker, smoother engagement and consistent synchronizer friction.
• Component Protection: High-performance synthetic base provides superior gear protection and extended synchro life.
• Broad Compatibility: Recommended for GL-1, GL-3, and GL-4 applications, including special synchromesh fluid specifications.
• Brass-Safe Chemistry: Non-corrosive to yellow metals, ensuring the longevity of synchronizer rings.
• Common Fitments: Ideal for Nissan 350Z, 370Z, Maxima, Altima, Sentra; Mitsubishi Evolution; select Hyundai and Kia models; and Quaife manual transmissions.

Fits select Nissan 350Z/370Z, Mitsubishi Evolution, Hyundai, Kia, and NV4500 transmissions in Chevrolet and Dodge trucks.

Red Line MT-85 is a 75W85 GL-4 synthetic gear oil specifically engineered to improve synchronizer performance and protect manual transmissions. Formulated without the reactive sulfurs found in many GL-5 fluids, it is completely safe for yellow metals, preventing the corrosion of brass synchronizers while providing the exact coefficient of friction needed for smooth, rapid engagement. This fluid effectively eliminates notchy shifting and gear clash, even in cold temperatures.

• Satisfies gear oil viscosity requirements for 75W85 and 85W
• Matches motor oil viscosities for SAE 30 and 5W30 applications
• Meets API Service Class GL-1, GL-3, and GL-4 specifications
• Meets Chrysler specification MS-9070 for NV4500 transmissions
• Optimized for Quaife synchronizer manual transmission applications
• Advanced synthetic formula maintains film strength under high load
• Volume: 1 Quart

Red Line MT-90 75W90 GL-4 Gear Oil is a high-performance lubricant engineered for manual transmissions and transaxles in select Nissan, Mazda, Mitsubishi, VW, Audi, Lotus, and Toyota models, as well as Mendeola transmissions and Atlas transfer cases.

Designed specifically to improve shifting performance and component longevity, MT-90 provides the perfect coefficient of friction for synchronizer engagement. Unlike many GL-5 oils that contain reactive sulfurs, this GL-4 formula is completely safe for yellow metals, preventing the corrosion of brass synchronizers. Its synthetic stability eliminates notchy shifting and gear clashing even in cold climates, ensuring smooth transitions across a wide temperature range.

• Satisfies viscosity requirements for 75W90, 80W90, and 90 gear oils.
• Compatible with motor oil viscosities SAE 40, 10W40, and 15W40.
• Recommended for GL-1, GL-3, and GL-4 applications.
• Safe for brass synchros; lacks reactive sulfurs found in GL-5 oils.
• High-performance protection for gears and synchronizers.
• 5-gallon container for shop use or large fleet maintenance.

Red Line MT-90 75W90 GL-4 is a fully synthetic manual transmission lubricant designed to improve shift feel and provide superior synchronizer protection. Formulated specifically for units requiring a GL-4 fluid, MT-90 lacks the reactive sulfurs found in most GL-5 oils that can corrode brass and other yellow metal synchronizers. This makes it an ideal solution for eliminating notchy shifting and grinding, even during cold operation.

This high-performance gear oil is popular in manual transmissions for select Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise/Exige, and Toyota vehicles, as well as Mendeola transmissions and Atlas transfer cases. It provides the correct coefficient of friction for smooth engagement while maintaining high-temperature stability under performance driving conditions.

• API Service Class: GL-4
• Viscosity Grade: SAE 75W90
• Viscosity Equivalency: Satisfies 75W90, 80W90, and 90 gear oil requirements
• Motor Oil Equivalency: Replaces SAE 40, 10W40, and 15W40 in transmission applications
• Safe for yellow metal synchronizers and brass bushings
• Improves shift speed and synchronizer life
• Size: 1 Gallon

Red Line MT-90 is a full-synthetic 75W90 GL-4 gear oil engineered specifically for manual transmissions and transaxles. It is a popular choice for select Nissan, Mazda, Mitsubishi, VW/Audi, Toyota, and Lotus Elise/Exige vehicles, as well as Mendeola transmissions and Atlas transfer cases. By providing the precise coefficient of friction needed for synchronizer engagement, MT-90 eliminates notchy shifting and improves gear change speed even in cold climates.

Unlike many GL-5 gear oils that contain reactive sulfur compounds, MT-90 is formulated to be completely safe for brass and yellow metal synchronizers. It satisfies the viscosity requirements for 75W90, 80W90, and 90 gear oils, and can be used in applications specifying SAE 40, 10W40, or 15W40 motor oil.

• Service Class: GL-4 (also recommended for GL-1 and GL-3 applications)
• Viscosity Grade: 75W90
• Safe for brass synchronizers; lacks reactive sulfurs that cause damage
• Improves shift feel and synchronizer life
• Replaces special synchromesh fluids in various manual gearboxes
• Container Size: 1 Quart

Red Line MTL 75W80 GL-4 is a full-synthetic manual transmission lubricant engineered to provide excellent protection and improved shift quality in a wide range of passenger cars and light trucks. This fluid features a specific coefficient of friction that allows for faster synchronizer engagement, eliminating notchy shifting even in cold weather. Unlike many GL-5 gear oils, MTL is formulated without reactive sulfurs, making it completely safe for brass and yellow metal synchronizers.

• Satisfies gear oil viscosity requirements for 75W and 80W, as well as motor oil viscosities of SAE 30, 10W30, and 5W30
• Recommended for GL-1, GL-3, and GL-4 applications and specialized synchromesh fluids
• Direct replacement for GM Synchromesh (9985648), Auto-Trak II (12378508), and Chrysler spec MS-9224
• Ideal for NV1500, NV3500, NV3550, and NV5600 truck transmissions found in Dodge and Jeep vehicles
• Commonly used in BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Mitsubishi, and Land Rover LT77S transmissions
• Manufacturer Part Number: 50205

Red Line MTL 75W80 GL-4 is a full-synthetic manual transmission and transaxle lubricant engineered to provide the correct coefficient of friction for rapid synchronizer engagement. By eliminating the notchy shifting often experienced in cold temperatures, this fluid ensures smoother gear transitions and extended synchro life across a wide range of operating temperatures.

Formulated specifically for manual transmissions, MTL is safe for use with brass and other yellow metal synchronizers, as it lacks the reactive sulfurs found in most GL-5 gear oils that lead to premature component wear. It is a highly compatible fluid that satisfies the gear oil viscosity requirements of 75W and 80W, as well as motor oil viscosities of SAE 30, 10W30, and 5W30.

• API Service Class: GL-4 (also recommended for GL-1 and GL-3 applications)
• Viscosity Grade: 75W80
• Compatible with select BMW, Honda/Acura, Ford Focus, and Mini Cooper manual transmissions
• Replaces GM Synchromesh, Auto-Trak II, and Chrysler spec MS-9224
• Ideal for Dodge and Jeep NV1500, NV3500, NV3550, and NV5600 truck transmissions
• Suitable for Land Rover/Range Rover LT77S applications
• Package Size: 1 Quart / 0.94 Liters
• Manufacturer Part Number: 50204

Popular in many late-model BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, and Toyota vehicles, Red Line 75W85 GL-5 Gear Oil provides superior protection for differentials, final drives, and transfer cases. Formerly known as LightWeight Gear Oil, this synthetic lubricant is engineered for high-performance applications where a 75W85 viscosity is required.

This formula includes friction modifiers specifically for clutch-type limited-slip differentials (LSD), eliminating the need for additional additives in most setups. It is also a preferred choice for Formula racing transaxles, including the Hewland LD-200 and FTR sequential units.

• Satisfies viscosity requirements: SAE 75W80, 75W, 80W, and 85W
• Compatible motor oil viscosities: SAE 30, 10W30
• API Service Class: GL-5
• Container Size: 5 Gallon
• Features additional friction modifiers for clutch-type LSD compatibility

Note: This product is not designed for use in most manual transmissions or transaxles with synchronizers. The extreme slipperiness of this GL-5 formula may cause shifting problems by preventing synchronizer engagement.

Red Line 75W85 GL-5 Gear Oil is a fully synthetic lubricant engineered for modern high-load drivetrain components. Formerly known as LightWeight Gear Oil, this formula provides the necessary protection and thermal stability required for late-model differentials, final drives, and transfer cases. It is a popular choice for vehicles from BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, and Toyota.

This gear oil is pre-blended with friction modifiers to ensure smooth operation in clutch-type limited-slip differentials (LSD), typically eliminating the need for additional additives. While ideal for high-pressure gear sets and racing transaxles like the Hewland LD-200 and FTR sequential, it is not intended for use in most manual transmissions or transaxles with synchronizers, as the friction coefficients may cause shifting issues.

• Viscosity Compatibility: Satisfies requirements for SAE 75W80, 75W, 80W, 85W, as well as SAE 30 and 10W30 motor oil.
• API Service Class: GL-5
• Volume: 1 Gallon (128 fl oz)
• Applications: Differentials, final drive units, and transfer cases.
• LSD Ready: Contains friction modifiers for clutch-type limited-slip units.

Red Line 75W85 GL-5 Gear Oil provides superior film strength and thermal stability for high-performance differentials, final drives, and transfer cases. Engineered with extreme-pressure additives, this lubricant satisfies the viscosity requirements of SAE 75W80, 75W, 80W, and 85W, as well as SAE 30 and 10W30 motor oil applications. It is formulated with friction modifiers to ensure proper operation of clutch-type limited-slip differentials (LSDs) without the need for additional additives.

Formerly known as Red Line LightWeight Gear Oil, this synthetic fluid is a popular choice for late-model vehicles from BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, and Toyota. Its versatility extends to professional motorsport, where it is frequently used in Hewland LD-200 and FTR sequential transaxles. Note: Due to extreme slipperiness, this fluid is not intended for manual transmissions or transaxles equipped with synchronizers, as it may interfere with shift quality.

• Service Class: API GL-5
• Viscosity Grade: SAE 75W85
• Applications: Differentials, final drives, and transfer cases
• Compatibility: Contains friction modifiers for most clutch-type LSDs
• Race Proven: Popular in Formula racing transaxles (Hewland LD-200, FTR)

Maintain peak drivetrain efficiency and extend the life of your sprockets with Red Line Fully Synthetic Chain Lube. This 13oz aerosol formula is engineered to penetrate deep into chain rollers and side plates before setting up to a durable finish that resists dirt, sand, and grit adhesion.

Designed for both on-road and off-road applications, this lubricant provides a high-tenacity film that stays put under high-speed rotation, ensuring minimal fling-off onto your wheels or bodywork. Its advanced chemistry protects against rust and corrosion even in extreme muddy or wet conditions, while significantly reducing friction to maximize power transfer to the ground.

• Fully synthetic formula compatible with O-ring, X-ring, and Z-ring chains.
• Reduces friction and wear to extend chain and sprocket service life.
• Provides industry-leading protection against rust and corrosion.
• Resists dirt, sand, and grit pickup to prevent abrasive wear.
• High-tack, minimal fling-off performance.
• 13oz aerosol can requires ground transportation services.

Red Line 10W50 Powersports Motor Oil is engineered to provide superior protection in high-performance engines operating under extreme stress. This high-viscosity formula is specifically designed for motorsport applications where maintaining film strength at elevated temperatures is critical. It is an ideal solution for gasoline engines in high-temperature climates, providing the thermal stability required for both naturally aspirated and forced induction setups.

This fully synthetic oil is formulated to resist shear and oxidation in environments where conventional lubricants often break down. Whether used in high-revving powersports equipment or turbocharged racing engines, it ensures consistent lubrication and protection against metal-to-metal contact.

• Viscosity Grade: 10W50
• Container Size: 1 Quart
• Recommended for API SN/SM/SL/SJ/SH/SG/CF
• Meets ACEA A3/B3/B4 specifications
• Suitable for turbocharged and supercharged forced induction engines
• High-temperature shear stability for motorsport applications

Red Line 5W20 Four-Stroke Kart Oil is a high-performance synthetic lubricant engineered specifically for competitive four-cycle karting engines. This multigrade formula provides a critical balance between superior wear protection and a fast-seating ring seal, ensuring maximum power and engine longevity during high-RPM racing conditions.

• Optimized for engines like the Yamaha/Burris F200, Briggs Animal, World Formula, Honda GX 160, Honda GX 200, Kohler, Tecumseh, and clone engines.
• Formulated to eliminate carbon build-up on valves, pistons, and combustion chambers.
• Helps racers avoid disqualification (DQ) at tech inspections caused by excessive combustion chamber deposits.
• 5W20 multigrade viscosity offers reduced friction while maintaining film strength for better ring seal.

Red Line 4-Cycle Alcohol Fuel Lubricant is engineered to protect high-performance engines from the corrosive and abrasive nature of alcohol-based fuels. Methanol, nitromethane, and E85 are "dry" fuels that can wash essential lubrication from the cylinder walls and fuel system components. This additive restores that lubrication, improving ring seal and protecting against gelling and corrosion within the fuel system.

During dyno testing, adding one bottle to 20 gallons of race gas demonstrated a 1.5% increase in torque due to improved ring seal. The formula is designed to be undetectable by standard fuel tests and mixes thoroughly with only slight agitation. It effectively replaces the lubrication lost to fuel wash, extending the life of upper cylinder components and fuel pumps.

• Fuel Compatibility: Suitable for use with E85, methanol, and nitromethane.
• Treatment Ratio: 1oz per 5 gallons of fuel; one 12oz bottle treats up to 55 gallons.
• Performance: Improves ring seal for increased power and torque.
• Protection: Prevents gelling and corrosion in methanol and nitromethane systems.
• Compatibility Note: Do not use in vehicles equipped with catalytic converters.

Red Line DCTF is a high-performance synthetic lubricant engineered to meet the extreme demands of modern dual-clutch transmissions. Designed for both wet- and dry-clutch systems, this fluid provides the shear stability and thermal resistance necessary to maintain precise shifting and long-term component health under high-stress conditions.

• Engineered for wet- and dry-style dual-clutch transmissions (DCT).
• Compatible with VW/Audi DSG, BMW DCT, Porsche PDK, and Ferrari systems.
• Maintains consistent frictional characteristics for smooth, synchronized shift quality.
• Provides superior protection for internal gears, synchronizers, and bearings.
• Fully compatible with other lubricants designed for dual-clutch applications.
• Sold in 1-quart containers.

Proper fluid maintenance is critical for DCT longevity; always refer to your vehicle manufacturer’s service manual for specific service intervals and capacity requirements.

Red Line D6 ATF is a shear-stable, full-synthetic lubricant engineered for modern transmissions requiring low-viscosity fluids. As Red Line's lowest viscosity ATF, this formulation offers superior thermal stability and consistent shift quality even under high-load conditions. It is specifically developed to maintain its viscosity and film strength in high-efficiency 6, 7, and 8-speed transmissions where precise line pressure and component protection are critical.

• Satisfies requirements for Dexron-VI, Mercon SP, Mercon LV, Honda DW-1, Toyota WS, Mercedes Benz NAG-2, and ZF-LG 6, 6+, and 8 fluids.
• Highly shear-stable formula ensures consistent operation and prevents viscosity breakdown over extended service intervals.
• Suitable for use in both automatic and manual transmissions where the listed specifications are required.
• Full-synthetic base stocks provide improved oxidation resistance and cold-weather flow compared to conventional fluids.
• Size: 1 Gallon (128 fl oz).

Red Line D6 ATF is a high-performance, full-synthetic transmission fluid engineered for modern transmissions requiring low-viscosity lubricants. As Red Line's most shear-stable ATF, it provides consistent shifting and component protection across a wide range of operating temperatures. This formulation is ideal for both automatic and select manual transmissions where specific low-viscosity fluids are required.

• Performance Standards: Designed to satisfy Dexron-VI, Mercon SP, Mercon LV, Honda DW-1, Toyota WS, Mercedes Benz NAG-2, ZF-LG 6, 6+, and 8 fluid specifications.
• Shear Stability: Red Line's most shear-stable ATF formulation for consistent operation over extended drain intervals.
• Low Viscosity: Engineered for reduced internal friction and improved fuel efficiency in modern gearboxes.
• Application: Suitable for use in automatic and manual transmissions calling for the listed fluid standards.
• Volume: 1 Quart (32 fl oz).

Red Line C+ ATF is a fully synthetic automatic transmission fluid engineered specifically to satisfy Chrysler ATF+, +2, +3 (Type 7176), and ATF+4 (Type 9602) requirements. This high-performance lubricant is designed to provide the specific frictional characteristics necessary for proper torque converter lock-up and smooth shifting in Chrysler, Dodge, and Jeep transmissions.

Compared to standard petroleum-based fluids, Red Line C+ ATF provides 30% greater operating viscosity and significantly improved thermal stability. With only one-third the evaporation of Chrysler-style petroleum ATFs, it maintains its protective properties longer, even under heavy towing or high-heat conditions.

• Satisfies Chrysler ATF+, +2, +3 (Type 7176), and ATF+4 (Type 9602) requirements
• Provides 30% greater operating viscosity than petroleum-based Chrysler ATFs
• Reduces evaporation to 1/3 that of petroleum fluids for improved longevity
• Synthetic formula offers superior thermal stability and oxidation resistance
• Container Size: 1 Gallon

Red Line Synthetic C+ ATF is a high-performance transmission fluid engineered specifically for Chrysler-style applications. This fully-synthetic formula provides 30% greater operating viscosity than traditional petroleum-based fluids, maintaining a more consistent film strength under heavy load and high-temperature conditions.

By reducing evaporation to just one-third that of conventional petroleum ATFs, this fluid minimizes deposit formation and maintains its chemical integrity over longer service intervals. It is designed to satisfy the specific frictional requirements of Chrysler automatic transmissions, ensuring smooth shifting and optimal torque converter lock-up performance.

• Satisfies Chrysler ATF+, +2, +3 (Type 7176) and ATF+4 (Type 9602) requirements
• Provides 30% greater operating viscosity than petroleum-based equivalents
• Reduces evaporation by 1/3 compared to standard Chrysler petroleum ATFs
• Improved thermal stability and oxidation resistance
• Container Size: 1 Quart

Red Line D4 ATF is a versatile full-synthetic fluid engineered for use where Dexron III, Dexron II, Mercon, and Mercon V fluids are recommended. Designed to handle the high-shear environment of modern automatic transmissions, it also provides the GL-4 level of gear protection required for many manual transmissions and transaxles, including T-5, T-45, T-56, and late-model BMW units.

• Replaces Toyota Type T-III/T-IV, Honda ATF-Z1, Nissan Matic D/J/K, and Mazda ATF M-V fluids.
• Suitable for use in power steering systems requiring ATF.
• Superior low-temperature flow characteristics for smoother shifting in cold weather.
• Synthetic base stocks provide high thermal stability and resistance to oxidation.
• Maintains consistent viscosity under heavy loads and high operating temperatures.