1953-2020 CORVETTE AC Delco REAR END-DIFFERENTIAL LIMITED SLIP GEAR LUBRICANT ADDITIVE - 4OZ - GM 10-4003 88900330 #42587

Notes: Typically Only 1 Is Required, But If Rear End Is Still Making Noises 2 Is Okay.

This Additive Is Used In Conjunction With Your Favorite Gear Oil To Ensure Proper Performance Of Your Clutch-Pack Type Limited Slip Differential. Typically Only One Bottle Is Needed Per Refill, However Two May Be Needed Depending On Gear Oil Weight, Type, Or Clutch Pack Spring Tension.

Note: The postage amount quoted is for any quantity purchased.