

KCK Lubricants
90w Performance Gear Oil - RE13
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KCK RE13 – All Performance Gear Oil 90W
Premium Protection for Differentials, Transaxles & Gearboxes Under Extreme Loads
Part Number: RE13
Category: Gear Oils & Driveline Lubricants
Formulation: Premium Mineral-Based with Advanced Additives
Viscosity: SAE 90
Application: Differentials, Transaxles, Gearboxes – High-Performance & Heavy-Duty Use
Top Benefits at a Glance:
Extreme Heat & Load Protection – XHT formula handles punishing temperatures
Multi-Gear Versatility – Designed for both LSD and non-LSD setups
Unmatched Shear Stability – Maintains film strength under shock loading
Race-Tested Durability – Ideal for motorsport transaxles and dog box transmissions
Smooth Operation – Reduces friction and gear noise for precise engagement
4WD & Diff Locker Approved – Perfect for touring, towing, and off-road stress
Built for Punishing Conditions
KCK All Performance Gear Oil 90W is a high-performance driveline lubricant engineered for extreme heat, heavy loads, and aggressive driving. Whether you’re hitting the track with a dog box setup, pushing a high-speed transaxle in open-wheel racing, or working a 4WD rig with lockers, this oil delivers rock-solid protection and smooth operation where it counts.
Its XHT (Extreme High Temp) and XRM (Extreme Range Multigear) formulation ensures consistent performance across brutal thermal cycles — making it a must-have for motorsport, heavy-duty, and high-performance drivetrains.
Ideal For:
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Dog box & sequential gearboxes
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Limited Slip & non-LSD differentials
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Motorsport-grade transaxles
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Open-wheel and touring car transmissions
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High-speed race differentials
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4WDs equipped with diff lockers
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Performance street and track builds
Technical Highlights:
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Formulated for Extreme High Temp (XHT) resistance
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XRM chemistry suits a wide range of diff & gearbox setups
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High Shear Stability – Maintains viscosity under extreme torque
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Anti-Wear, Anti-Scuff, Anti-Foam additives
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Compatible with both LSD and standard gear designs
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Outperforms conventional 85W140 & LS140 oils
Meets or Exceeds the Following Specifications:
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SAE Grades: 85W140, 140, LS140
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API: GL-5 / GL-6
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MIL: MIL-PRF-2105D / E
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MT1, SAE J2360
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OEM Standards:
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MACK GO-J
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EATON, FULLER, ROCKWELL
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DAIMLER BENZ, FORD, CLARK, GM
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Why Choose KCK All Performance 90W?
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Built to handle heat, load, and shock like no ordinary gear oil
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Covers a broad spectrum of applications, from street to circuit
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Optimised for both performance builds and heavy-duty commercial use
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Developed to exceed OEM and motorsport-level specs
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Delivers consistency, reliability, and mechanical confidence
Proudly Australian Made & Owned
Tested in the toughest environments. Trusted by serious drivers.
KCK All Performance Gear Oil 90W — Because only the best should be between your gears.
5L
(Also available in 20L, 205L, 1000L)
Part No. RE13
