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Amazon.com: TRIAX Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gallon) : Automotive
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Amazon.com: Triax Synergy Gear Max 75W-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Quart) : Automotive
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is this ok for my HB it says gl 5 for a diff but api service gl4 for manual transmission? : r/hardbody
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