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Arrives: Wednesday, Jan 27 Details
Fastest delivery: Monday, Jan 25
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Red Line 80301 Limited Slip Friction Modifier - 4 oz.

4.6 out of 5 stars 106 ratings

Price: $12.20 FREE Shipping
Get free shipping
Free 5-8 day shipping within the U.S. when you order $25.00 of eligible items sold or fulfilled by Amazon.
Or get 4-5 business-day shipping on this item for $5.99 . (Prices may vary for AK and HI.)
Learn more about free shipping
on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime
& FREE Returns
Return this item for free
  • Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
  • Learn more about free returns.
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4 Ounce
    This fits your .
  • Make sure this fits by entering your model number.
  • Replaces the limited-slip additives
  • Can be added to any gear oil
  • Ideal to tune a limited-slip unit
See more product details
New (19) from $9.75 + FREE Shipping

Frequently bought together

  • Red Line 80301 Limited Slip Friction Modifier - 4 oz.
  • +
  • Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart
  • +
  • Red Line 57905 75W90 GL-5 Gear Oil - 1 Gallon
Total price: $93.60
Buy the selected items together

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Product information

Size:4 Ounce

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CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Product description

Size:4 Ounce

Red Line differential friction modifier and break-in additives can be added to any gear oil to replace the limited-slip additives. They are ideal to tune a limited-slip unit.


Customer Questions & Answers

Customer reviews

4.6 out of 5 stars
4.6 out of 5
106 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on February 17, 2020
Size: 4 OunceVerified Purchase
One person found this helpful
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Reviewed in the United States on September 24, 2019
Size: 4 OunceVerified Purchase
One person found this helpful
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Reviewed in the United States on August 10, 2014
Size: 4 OunceVerified Purchase
4 people found this helpful
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Reviewed in the United States on September 7, 2015
Size: 4 OunceVerified Purchase
2 people found this helpful
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Reviewed in the United States on December 20, 2020
Size: 4 OunceVerified Purchase
Reviewed in the United States on May 7, 2012
Size: 4 OunceVerified Purchase
5 people found this helpful
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Reviewed in the United States on August 27, 2020
Size: 4 OunceVerified Purchase
Reviewed in the United States on September 10, 2017
Size: 4 Ounce, (Pack of 12)Verified Purchase
One person found this helpful
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Top reviews from other countries

gary fake
5.0 out of 5 stars Brillant stuff will buy again
Reviewed in the United Kingdom on June 27, 2020
Size: 4 OunceVerified Purchase
Amazon Customer
5.0 out of 5 stars works well
Reviewed in the United Kingdom on September 4, 2020
Size: 4 OunceVerified Purchase
Amazon Customer
5.0 out of 5 stars Perfect
Reviewed in the United Kingdom on October 6, 2016
Size: 4 OunceVerified Purchase
Blair D.
5.0 out of 5 stars It works great! I guess?
Reviewed in Canada on March 5, 2020
Size: 4 OunceVerified Purchase
Allen Moore
5.0 out of 5 stars Perfect
Reviewed in Canada on May 8, 2020
Size: 4 OunceVerified Purchase
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