Oils, Fluids and Sealer› Oils, Fluids and Additives
Red Line
Red Line Friction Modifier & Break-In Additive - 4 oz
SKU: R00B 80301
Beginner — under 30 min
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Red Line |
| Part Number | R00B 80301 |
Videos
Ford Trucks: Quickly Determine Which Differential You Have and If Friction Modifier is Required
RED LINE GEAR OIL vs AMSOIL SEVERE GEAR 75W-90 Cold Flow Challenge
TIRED OF YOUR NOISY REAR END? THIS MAY BE THE EASIEST FIX EVER.. BONUS BAG TECHNOLOGY REVIEW.
Corvette C5 differential fluid change Redline 75w-90 video by froggy
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy