10 bestOil Additive For Engine Knockof July 2025
112M consumers helped this year.
1

Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems…
Archoil

10.0
2

Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly

10.0
38% off
3

TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)
TriboTEX

9.8
4

Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil

9.5
5

REV X ZDDP Oil Additive - Zinc & Phosphorus (5 Pack)
REV X

9.3
OtherUp to 7% off
16% off
6

Restore (00012) 6-Cylinder Formula Engine Restorer and Lubricant - 12.5 oz.
Restore

9.0
9% off
7

Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore
BG(0002698761)

8.7
7% off
8

Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz
LUCAS

8.4
9

4 cans of BG Engine Performance Restoration 109
Ferrari

8.2
10

XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of Worn Metal Surfaces - Metal Conditioner With Revitalizant 1 Stage Maximum (Up To 5qt Of Oil Capacity)
XADO

7.9

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