Difficult to do a quality test on something like this but looks like it compares to the best high temperature paste I've used before. Nickel is considered the best.
Rislone Engine Treatment, Pack Of 1 For Enhanced Performance - 100QR
29 Review
Top-Quality Amazon Basics Synthetic High Mileage Motor Oil For Enhanced Engine Performance
35 Review
16.9 Oz Rislone Nano Prime Synthetic Engine Oil Additive
18 Review
π€ Enhance Your Marine Experience with Pennzoil 550045220-3PK 1 Gallon Marine Premium Plus Outboard β 2 Cycle 1 gal. jug
9 Review