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Is this gear oil safe for my NA? Says it has friction modifier and can be used for both GL5 and GL4 applications. : r/Miata
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Amazon.com: CRC Sta-Lube API/GL-4 Multi-Purpose Gear Oil 85W90, Sta-Lube, 1 Gallon, Hypoid Gear Oil, Yellow Metal Safe, Anti-Rust and Anti-Wear Ep Additives : Automotive
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Royal Purple Max Gear 75W-90 Gear Oil, 1 Quart - Walmart.com
Driven GO 80W-90 Conventional GL-4 Gear Oil
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Driven GO 80W-90 Conventional GL-4 Gear Oil - COMP Cams®
Amazon.com: Royal Purple 01300 Max Gear 75W-90 High Performance Synthetic Automotive Gear Oil , 1 Quart (32 Ounces) : Automotive
80W 90 Gl 4 Gear Oil Quart - Walmart.com
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Amazon.com: CRC Sta-Lube API/GL-4 Multi-Purpose Gear Oil 85W90, Sta-Lube, 1 Gallon, Hypoid Gear Oil, Yellow Metal Safe, Anti-Rust and Anti-Wear Ep Additives : Automotive
STRAIGHT SAE 140 GL1 NON EP GEAR OIL VINTAGE CLASSICS 5 L YELLOW METAL SAFE | eBay
80w90 Gear Oil Mineral GL-4 Yellow Metal Safe – Westway Oils
