
Red Line · New
Red Line 75W90NS Gear Oil - Quart
MPN 58304 · Store SKU red58304
Supplier stock checked 11/8/2026, 8:09:18 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Red Line 75W90NS Gear Oil - Quart Manufacturer-listed features: • Helps with lock-up on weak limited-slip differentials-compatible with Red Line Limited Slip Friction Modifier for tuning slippage • Designed for transmissions and transaxles - helps to slow synchros for easier shifting across a broad temperature range • Contains extreme pressure additives like our 75W90 GL-5 oil, but lacks friction modifiers to balance slipperiness • Muscle Car applications like Ford Top Loader, Muncie transmissions, Borg-Warner T-10 and Super T-10 • Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360 • Non corrosive formula, safe for use with all synchro materials • Also used with clutch-type LSDs in racing for maximum lock up • Improved copper corrosion protection to prolong synchro life • Popular in Ferrari, Porsche and Subaru transaxles
Manufacturer fitment & guides
Check 58304 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Ground shipping only.