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The 10 Best Engine Treatments

Sep 2024

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The Score indicates the overall value of the product.
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£7
£17+
Rank
Manufacturer
Product Name
Score
1
Best Engine Treatments - Slick-50 61399750 Engine Treatment 750ml Review Slick 50

Slick-50 61399750 Engine Treatment 750ml

9 . 8
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View Product
2
Best Engine Treatments - Wynn's Petrol Injector Cleaner Engine Fuel System Additive Review Wynn's

Wynn's Petrol Injector Cleaner Engine Fuel System Additive Treatment 325ml

By Wynn's
9 . 5
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View Product
3
Best Engine Treatments - Wynn's Engine Oil Stop Leak Sealer Treatment Additive Review Wynn's

Wynn's Engine Oil Stop Leak Sealer Treatment Additive For All Engine Types 325ml

By Wynn's
9 . 1
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4
Best Engine Treatments - Wynn's Super Charge Oil Treatment Compression Restoring Additive Review Wynn's

Wynn's Super Charge Oil Treatment Compression Restoring Additive For Petrol & Diesel Engines 425ml

By Wynn's
8 . 9
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5
Best Engine Treatments - STP® 61300EN Oil Treatment for Diesel Engines 300ml Review STP

STP® 61300EN Oil Treatment for Diesel Engines 300ml - 2x300ml = 600ml

By STP
8 . 6
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6
Best Engine Treatments - Wynn's Extreme Petrol System Fuel Injector Cleaner Engine Review Wynn's

Wynn's Extreme Petrol System Fuel Injector Cleaner Engine Additive Treatment 325ml

By Wynn's
8 . 3
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7
Best Engine Treatments - STP GST61300EN Oil Treatment for Diesel Engines 300 Review STP

STP GST61300EN Oil Treatment for Diesel Engines 300 ml

By STP
8 . 1
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8
Best Engine Treatments - Synthetic Oil Treatment, STP, Car Accessories, 300 ml Review STP

Synthetic Oil Treatment, STP, Car Accessories, 300 ml

By STP
7 . 8
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9
Best Engine Treatments - Wynn's Formula Gold Engine Oil Treatment Increase Compression Review Wynn's

Wynn's Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel

By Wynn's
7 . 4
View Product
View Product
10
Best Engine Treatments - Lucas Oil 40016 Complete Engine Treatment-473ml Review Lucas Oil

Lucas Oil 40016 Complete Engine Treatment-473ml

7 . 1
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