Piston Rings for 2004-2021 Subaru WRX / STI w/ 100.0mm Bore Diameter by Manley Performance
Manley Piston Rings provide minimal blowby and increased horsepower while maintaining cooler, cleaner oil resulting in longer engine life. Manley ring sets feature a ductile iron plasma moly top ring, a conventional reverse twist cast iron second ring, and a 3 piece standard tension oil ring.
Measurements
- Material: Premium Steel
- Bore Diameter: 100.0mm
- Top Ring Width: 1.2mm
- 2nd Ring Width: 1.2mm
- Oil Ring Width: 2.0mm
- Oil Ring Tension: 9-13-lbs.
- Installation Type: File Fit
Please Note: Manley Piston Rings are purpose-built to be installed on Manley Pistons only. Installed or partially installed piston rings are ineligible for return.
