US$ 10.99
They can be constructed of metallic or plastic material and there are two basic surfaces – smooth and grooved (also called a sprocket)
Longevity: 50k Miles
By providing multiple points
Now that is what you want out of an intake
intercooler and piping
CP Replacement Piston Ring 99.5mm Subaru WRX / STI EJ257/EJ255 2004-2021 | RS1658-3917-0 has-openbox They can be constructed ofCP Piston Rings are sold in singles (1) only. Only for CP Pistons used on your Subaru WRX, STI, Forester XT, Outback XT, and Legacy GT. Only for one piston. Quantity 4 is required for a full set.