10 bestOil Additive For Engine Knockof May 2026
112M consumers helped this year.
5% off
1
Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems…
Archoil
9.8
2
REV X ZDDP Oil Additive - Zinc & Phosphorus (5 Pack)
REV X
9.6
7% off
3
3 cans of BG EPR Engine Performance Restoration
BG(0002698761)
9.4
44% off
4
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
9.2
11% off
5
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly
9.0
Other
zMAX 51-011 - Engine & Fuel Formula Kit - Easy to Use - Reduces Carbon Build-Up & Lubricates Metal Extending Life of Car or Truck - Runs Efficiently, Improving Gas or Diesel Mileage - 12 oz. Each
Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore
BG MOA Motor Oil Additive 11oz (3 Pack)
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)
6
Marvel MM14R Mystery Oil 1 Gallon
Marvel Mystery Oil
8.7
7
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly
8.4
8
5 - Pack Bg MOA Motor Oil Additive (5) 11oz. Cans
BG
8.1
9
Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz
LUCAS
7.9
31% off
10
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil
7.6
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