



⚡️ Unlock hidden engine potential and leave worn-out performance behind!
Bar's Leaks Rislone 4447 Compression Repair with Ring Seal is a premium polymer-based additive designed to restore lost compression in high-mileage gasoline and diesel engines. By filling cylinder wall imperfections and freeing sticky piston rings, it rebuilds engine power, reduces blow-by emissions, and improves fuel efficiency without harmful metals. Compatible with all engine oils, it’s the ultimate solution to extend engine life and pass emissions tests.




| Manufacturer | Bar's Products | 
| Part number | 4447 | 
| Item Weight | 159 g | 
| Product Dimensions | 6.6 x 6.6 x 18.8 cm; 158.76 g | 
| Item model number | 4447 | 
| Size | Pack of 1 | 
| Color | Black/White | 
| Style | 1 Pack | 
| Material | Oil | 
| Item Package Quantity | 1 | 
| Batteries Included? | No | 
| Batteries Required? | No | 
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