Rislone Compression Repair with Ring Seal is a proprietary blend of petroleum additives developed for higher-mileage engines suffering from decreased or uneven compression that can be caused by normal ...

Piston ring end gaps matter more than you think because they manage pressure and heat, preventing catastrophic failures ...

The folks at TRW have come up with a revolutionary idea for reducing the piston ring drag of the top compression ring. It is called the Pressure Balance Ring (PBR). Essentially, the PBR design amounts ...

Repeated cycles of searing combustion heat alternating with cool incoming air and fuel, extreme load reversal, thrust forces that slam the pistons into the cylinder wallsits quite amazing that ...