The description says pack of six. Is that correct?

Not a 6 pack. Only 1 Quart!!!! This is a mistake on someone's part.

i have an 08 ram that requires 4oz of limited slip additive. does this oil have ENOUGH additive blended in? how much additive is added per qt?

I have an 07 f 150. I added no friction modifier a yr ago, however, noe i have chatter. Will be adding friction modifier soon. 4oz. Thats what was recommended in a Ford blog. Hope this helps.

Does this help with Hard shifting? Anyone recommend a solution for me? Someone mention Motorcraft Friction Modifier. Would that work?

Some of it depends on the car. For example, I race a Miata and its not recommended to put non friction modified GL-5 grade gearbox oil in a Miata manual transmission. It's too slick and will make shifting difficult to impossible. Always use GL-4 grade oil for the manual transmission.Miata transmissions respond very nicely to the relatively expensive Ford Motorcraft MTF synthetic transmission oil with friction additives (FMFSMTF or XT-M5-QS). The ford MTF synthetic was developed for the difficult to shift Mustang gearboxes and contains special friction modifiers that allow synchromesh to work better than standard GL-4 fluid. This fluid is a lifetime replacement so it's cost is defrayed over time and the excellent shifting it provides. So depending on your car I would recommend the Motorcraft MTF. Its what I run in my race car. The Royal Purple I used in my Daily Driver BMW.Good luck.

how much oil do I need for a 2008 Ram 1500 4X4 rear differential

If your rear end has LSD, then it's 4.4 pints. If your rear end doesn't have LSD, then it's 4.6 pints. To make it easy, buy three bottles of this oil and keep adding until it starts flowing from the fill hole. Don't forget the gasket.

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⚙️ Gear up with Royal Purple – where power meets precision!

OPTIMIZED FOR HEAVY DUTY USE - Formulated to meet the demands of heavy-duty vehicles and shop environments for years of reliable service.
PERFECTLY SIZED QUART BOTTLE - Convenient 1-quart packaging designed for easy handling and precise application.
TRUSTED ROYAL PURPLE QUALITY - Backed by a brand synonymous with high-performance lubricants and long-lasting protection.
MANUFACTURER RECOMMENDED COMPATIBILITY - Follow your vehicle’s manual to maximize performance and gear longevity with this premium fluid.
PRECISION VISCOSITY FOR PEAK PERFORMANCE - Engineered 75W-140 viscosity ensures smooth, reliable gear operation under extreme conditions.

Royal Purple Max Gear 75W-140 is a premium heavy-duty gear oil in a convenient 1-quart bottle, designed to provide superior protection and performance for vehicle gears. With its optimized viscosity and trusted brand quality, it ensures reliable operation and longevity when used as per manufacturer recommendations.

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Manufacturer	Royal Purple
Brand	Royal Purple
Model	Royal Purple
Product Dimensions	22.86 x 5.08 x 5.08 cm; 907.18 g
Item model number	ROY01301
Manufacturer Part Number	1301
OEM Part Number	01301
Item Weight	907 g
Viscosity	one bottle 75-140w

ROYAL PURPLE MAX GEAR 75W140 Quart BOTLE

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