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⚡️ Bring your engine back to life — because your ride deserves a second wind!
Rislone 4447 High Mileage Compression Repair is a 16.9 oz concentrated additive made in the USA, engineered to restore and stabilize compression in worn gasoline and diesel engines. Its advanced polymer formula fills cylinder wall imperfections, reduces blow-by, and improves engine power and efficiency, helping high-mileage vehicles run smoother, start easier, and pass emissions tests without harmful metals.










| ASIN | B00CGRX6RE |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #11,722 in Automotive ( See Top 100 in Automotive ) #25 in Engine & Oil Fluid Additives |
| Brand Name | Bar's Leaks |
| Compatible with Vehicle Type | Car, Truck, Motorcycle, ATV, etc. |
| Container Type | Bottle |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,037) |
| Global Trade Identification Number | 00078615044474 |
| Included Components | Item |
| Item Weight | 500 g |
| Liquid Volume | 16.5 fluid ounces |
| Manufacturer | Rislone |
| Manufacturer Part Number | 4447 |
| Manufacturer Warranty Description | No |
| Model Number | 4447 |
| Number of Packs | 1 |
| Size | Pack of 1 |
| UPC | 078615044474 078615444472 |
| Unit Count | 16.9 Fluid Ounces |
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