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Contains extreme pressure additives like our 75W140 GL-5 oil but lacks friction modifiers to balance slipperinessPopular for historic and vintage transmissions like Mid-1930s to early-1950s synchro-equipped gearboxes in cars and trucksHelps with noisy or rough shifting in troubled A-833 Dodge/Plymouth 4-speed transmissions from 1964 to 1969Option for noisy transmissions when mixed with 75W90NS or MT-90 to bring viscosity level upAlso used in clutch-type limited slip differentials in racing for maximum lock up-some users add Limited Slip Friction Modifier in small doses to customize slippageRecommended for API GL-5 GL-6 MT-1 MIL-L-2105E and SAE J2360Fully-synthetic formulas created from polyol ester base stocks offer excellent lubrication under extreme conditionsHigh viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature changeEster base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gearsSuperior shear stability and reduced oxidation compared to other synthetics and conventional gear oilsExceed API GL-5 specificationsEngineered to provide the highest degree of protection and improvement of differential efficiency for better mileage longer drain intervals and less wearTYPICAL PROPERTIESAPI Service Class GL 5+Viscosity Grade SAE 75W140Vis @ 100 C cSt 26.9Vis @ 40 C cSt 179Viscosity Index 188Pour Point C -45Pour Point F -49Brookfield Viscosity Poise 1200 @ -40 C
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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