



⚡️ Unlock hidden power and keep your engine running like new!
Bar's Products Rislone 4447 Compression Repair with Ring Seal is a premium, USA-made additive designed to restore and stabilize engine compression in high-mileage gasoline and diesel engines. Its proprietary blend of high-shear polymers fills cylinder wall scratches and grooves, repairs engine blow-by, and helps recover lost power and fuel efficiency without harmful metals. Compatible with a wide range of vehicles, it supports emission compliance while extending engine life.




| Brand | Bar's Leaks | 
| Vehicle Service Type | Car, Truck, Motorcycle, ATV, Bus, Boat, Snowmobile, Lawn Mower, Generator, Tractor, RV, Heavy Equipment | 
| UPC | 078615044474 078615444472 | 
| Automotive Fit Type | Universal Fit | 
| Global Trade Identification Number | 00078615044474 | 
| Manufacturer | Rislone | 
| Size | Pack of 1 | 
| Model | 4447 | 
| Product Dimensions | 6.6 x 6.6 x 18.8 cm; 158.76 g | 
| Item model number | 4447 | 
| Manufacturer Part Number | 4447 | 
| Assembly Required | No | 
| Item Weight | 159 g | 
Trustpilot
2 days ago
2 weeks ago
5 days ago
1 week ago